add optional LED_LORA to indicate LoRa TX

Fix antenna switch initialization for LoRa-1262
cardputer fix backported (#10498 )
2026-06-02 22:17:10 -05:00 · 2026-05-19 07:59:21 +02:00 · 2026-05-18 22:54:30 +02:00 · 2026-05-11 17:53:22 -05:00 · 2026-05-11 17:37:35 -05:00 · 2026-05-11 17:37:09 -05:00
86 changed files with 3482 additions and 115 deletions
@@ -0,0 +1,53 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "nrf52840_s140_v6.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DNRF52840_XXAA",
+    "f_cpu": "64000000L",
+    "hwids": [
+      ["0x239A", "0x4405"],
+      ["0x239A", "0x0029"],
+      ["0x239A", "0x002A"]
+    ],
+    "usb_product": "elecrow_eink",
+    "mcu": "nrf52840",
+    "variant": "ELECROW-ThinkNode-M3",
+    "variants_dir": "variants",
+    "bsp": {
+      "name": "adafruit"
+    },
+    "softdevice": {
+      "sd_flags": "-DS140",
+      "sd_name": "s140",
+      "sd_version": "6.1.1",
+      "sd_fwid": "0x00B6"
+    },
+    "bootloader": {
+      "settings_addr": "0xFF000"
+    }
+  },
+  "connectivity": ["bluetooth"],
+  "debug": {
+    "jlink_device": "nRF52840_xxAA",
+    "onboard_tools": ["jlink"],
+    "svd_path": "nrf52840.svd",
+    "openocd_target": "nrf52840-mdk-rs"
+  },
+  "frameworks": ["arduino"],
+  "name": "elecrow nrf",
+  "upload": {
+    "maximum_ram_size": 248832,
+    "maximum_size": 815104,
+    "speed": 115200,
+    "protocol": "nrfutil",
+    "protocols": ["jlink", "nrfjprog", "nrfutil", "stlink"],
+    "use_1200bps_touch": true,
+    "require_upload_port": true,
+    "wait_for_upload_port": true
+  },
+  "url": "",
+  "vendor": "ELECROW"
+}
@@ -0,0 +1,53 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "nrf52840_s140_v6.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DARDUINO_NRF52840_ELECROW_M4 -DNRF52840_XXAA",
+    "f_cpu": "64000000L",
+    "hwids": [
+      ["0x239A", "0x4405"],
+      ["0x239A", "0x0029"],
+      ["0x239A", "0x002A"]
+    ],
+    "usb_product": "elecrow_thinknode_m4",
+    "mcu": "nrf52840",
+    "variant": "ELECROW-ThinkNode-M4",
+    "variants_dir": "variants",
+    "bsp": {
+      "name": "adafruit"
+    },
+    "softdevice": {
+      "sd_flags": "-DS140",
+      "sd_name": "s140",
+      "sd_version": "6.1.1",
+      "sd_fwid": "0x00B6"
+    },
+    "bootloader": {
+      "settings_addr": "0xFF000"
+    }
+  },
+  "connectivity": ["bluetooth"],
+  "debug": {
+    "jlink_device": "nRF52840_xxAA",
+    "onboard_tools": ["jlink"],
+    "svd_path": "nrf52840.svd",
+    "openocd_target": "nrf52840-mdk-rs"
+  },
+  "frameworks": ["arduino"],
+  "name": "ELECROW ThinkNode m4",
+  "upload": {
+    "maximum_ram_size": 248832,
+    "maximum_size": 815104,
+    "speed": 115200,
+    "protocol": "nrfutil",
+    "protocols": ["jlink", "nrfjprog", "nrfutil", "stlink"],
+    "use_1200bps_touch": true,
+    "require_upload_port": true,
+    "wait_for_upload_port": true
+  },
+  "url": "https://www.elecrow.com/thinknode-m4-power-bank-lora-device-with-meshtastic-lora-tracker-function-powered-by-nrf52840.html",
+  "vendor": "ELECROW"
+}
@@ -0,0 +1,53 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "nrf52840_s140_v6.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DARDUINO_NRF52840_ELECROW_M6 -DNRF52840_XXAA",
+    "f_cpu": "64000000L",
+    "hwids": [
+      ["0x239A", "0x4405"],
+      ["0x239A", "0x0029"],
+      ["0x239A", "0x002A"]
+    ],
+    "usb_product": "elecrow_thinknode_m6",
+    "mcu": "nrf52840",
+    "variant": "ELECROW-ThinkNode-M6",
+    "variants_dir": "variants",
+    "bsp": {
+      "name": "adafruit"
+    },
+    "softdevice": {
+      "sd_flags": "-DS140",
+      "sd_name": "s140",
+      "sd_version": "6.1.1",
+      "sd_fwid": "0x00B6"
+    },
+    "bootloader": {
+      "settings_addr": "0xFF000"
+    }
+  },
+  "connectivity": ["bluetooth"],
+  "debug": {
+    "jlink_device": "nRF52840_xxAA",
+    "onboard_tools": ["jlink"],
+    "svd_path": "nrf52840.svd",
+    "openocd_target": "nrf52840-mdk-rs"
+  },
+  "frameworks": ["arduino"],
+  "name": "ELECROW ThinkNode M6",
+  "upload": {
+    "maximum_ram_size": 248832,
+    "maximum_size": 815104,
+    "speed": 115200,
+    "protocol": "nrfutil",
+    "protocols": ["jlink", "nrfjprog", "nrfutil", "stlink"],
+    "use_1200bps_touch": true,
+    "require_upload_port": true,
+    "wait_for_upload_port": true
+  },
+  "url": "https://www.elecrow.com/thinknode-m6-outdoor-solar-power-for-lora-powered-by-nrf52840-supports-gps.html",
+  "vendor": "ELECROW"
+}
@@ -0,0 +1,42 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "memory_type": "qio_opi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-D BOARD_HAS_PSRAM",
+      "-D ARDUINO_USB_CDC_ON_BOOT=0",
+      "-D ARDUINO_USB_MODE=0",
+      "-D ARDUINO_RUNNING_CORE=1",
+      "-D ARDUINO_EVENT_RUNNING_CORE=0"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "psram_type": "qio_opi",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "ELECROW-ThinkNode-M7"
+  },
+  "connectivity": ["wifi", "bluetooth", "lora"],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": ["esp-builtin"],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "ELECROW ThinkNode M7",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 524288,
+    "maximum_size": 8388608,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://www.elecrow.com",
+  "vendor": "ELECROW"
+}
@@ -0,0 +1,56 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "nrf52840_s140_v6.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DARDUINO_NRF52840_MUZI_BASE -DNRF52840_XXAA",
+    "f_cpu": "64000000L",
+    "hwids": [["0x239A", "0xcafe"]],
+    "mcu": "nrf52840",
+    "variant": "muzi-base",
+    "variants_dir": "variants",
+    "bsp": {
+      "name": "adafruit"
+    },
+    "softdevice": {
+      "sd_flags": "-DS140",
+      "sd_name": "s140",
+      "sd_version": "6.1.1",
+      "sd_fwid": "0x00B6"
+    },
+    "bootloader": {
+      "settings_addr": "0xFF000"
+    }
+  },
+  "connectivity": ["bluetooth"],
+  "debug": {
+    "jlink_device": "nRF52840_xxAA",
+    "onboard_tools": ["jlink"],
+    "svd_path": "nrf52840.svd",
+    "openocd_target": "nrf52840-mdk-rs"
+  },
+  "frameworks": ["arduino"],
+  "name": "Muzi Base",
+  "url": "https://muzi.works/",
+  "vendor": "MuziWorks",
+  "upload": {
+    "maximum_ram_size": 248832,
+    "maximum_size": 815104,
+    "speed": 115200,
+    "protocol": "nrfutil",
+    "protocols": [
+      "jlink",
+      "nrfjprog",
+      "nrfutil",
+      "blackmagic",
+      "cmsis-dap",
+      "mbed",
+      "stlink"
+    ],
+    "use_1200bps_touch": true,
+    "require_upload_port": true,
+    "wait_for_upload_port": true
+  }
+}
@@ -154,7 +154,7 @@ inline bool Syslog::_sendLog(uint16_t pri, const char *appName, const char *mess
    if (!this->_enabled)
        return false;

-    if ((this->_server == NULL && this->_ip == INADDR_NONE) || this->_port == 0)
+    if ((this->_server == NULL && this->_ip == IPAddress(0, 0, 0, 0)) || this->_port == 0)
        return false;

    // Check priority against priMask values.
@@ -13,6 +13,11 @@ extern MemGet memGet;
 #define LED_STATE_ON 1
 #endif

+// WIFI LED
+#ifndef WIFI_STATE_ON
+#define WIFI_STATE_ON 1
+#endif
+
 // -----------------------------------------------------------------------------
 // DEBUG
 // -----------------------------------------------------------------------------
@@ -147,7 +152,9 @@ extern "C" void logLegacy(const char *level, const char *fmt, ...);
 // Default Bluetooth PIN
 #define defaultBLEPin 123456

-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && defined(USE_CH390D)
+#include <ESP32_CH390.h>
+#elif HAS_ETHERNET && !defined(USE_WS5500)
 #include <RAK13800_W5100S.h>
 #endif // HAS_ETHERNET

@@ -278,6 +278,11 @@ class AnalogBatteryLevel : public HasBatteryLevel
                break;
            }
        }
+#if defined(BATTERY_CHARGING_INV)
+        // bit of trickery to show 99% up until the charge finishes
+        if (!digitalRead(BATTERY_CHARGING_INV) && battery_SOC > 99)
+            battery_SOC = 99;
+#endif
        return clamp((int)(battery_SOC), 0, 100);
    }

@@ -450,11 +455,13 @@ class AnalogBatteryLevel : public HasBatteryLevel
        // if it's not LOW - check the battery
 #else
        // if external powered that pin will be pulled up
-        if (digitalRead(EXT_PWR_DETECT) == HIGH) {
-            return true;
-        }
-        // if it's not HIGH - check the battery
+        return digitalRead(EXT_PWR_DETECT) == HIGH;
+        // don't check the battery.
+        // very narrow backport from later 2.7 releases
+
 #endif
+#elif defined(MUZI_BASE)
+        return NRF_POWER->USBREGSTATUS & POWER_USBREGSTATUS_VBUSDETECT_Msk;
 #endif
        return getBattVoltage() > chargingVolt;
    }
@@ -468,8 +475,12 @@ class AnalogBatteryLevel : public HasBatteryLevel
            return (rak9154Sensor.isCharging()) ? OptTrue : OptFalse;
        }
 #endif
-#ifdef EXT_CHRG_DETECT
+#if defined(ELECROW_ThinkNode_M6)
+        return digitalRead(EXT_CHRG_DETECT) == ext_chrg_detect_value || isVbusIn();
+#elif EXT_CHRG_DETECT
        return digitalRead(EXT_CHRG_DETECT) == ext_chrg_detect_value;
+#elif defined(BATTERY_CHARGING_INV)
+        return !digitalRead(BATTERY_CHARGING_INV);
 #else
 #if HAS_TELEMETRY && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && !defined(DISABLE_INA_CHARGING_DETECTION)
        if (hasINA()) {
@@ -683,6 +694,8 @@ bool Power::setup()
        found = true;
    } else if (lipoChargerInit()) {
        found = true;
+    } else if (serialBatteryInit()) {
+        found = true;
    } else if (meshSolarInit()) {
        found = true;
    } else if (analogInit()) {
@@ -702,7 +715,26 @@ bool Power::setup()
        },
        CHANGE);
 #endif
-
+#ifdef BATTERY_CHARGING_INV
+    attachInterrupt(
+        BATTERY_CHARGING_INV,
+        []() {
+            power->setIntervalFromNow(0);
+            runASAP = true;
+            BaseType_t higherWake = 0;
+        },
+        CHANGE);
+#endif
+#ifdef EXT_CHRG_DETECT
+    attachInterrupt(
+        EXT_CHRG_DETECT,
+        []() {
+            power->setIntervalFromNow(0);
+            runASAP = true;
+            BaseType_t higherWake = 0;
+        },
+        CHANGE);
+#endif
    enabled = found;
    low_voltage_counter = 0;

@@ -906,7 +938,7 @@ void Power::readPowerStatus()
            low_voltage_counter++;
            LOG_DEBUG("Low voltage counter: %d/10", low_voltage_counter);
            if (low_voltage_counter > 10) {
-#ifdef ARCH_NRF52
+#if defined(ARCH_NRF52) && !defined(ELECROW_ThinkNode_M6)
                // We can't trigger deep sleep on NRF52, it's freezing the board
                LOG_DEBUG("Low voltage detected, but not trigger deep sleep");
 #else
@@ -1552,4 +1584,136 @@ bool Power::meshSolarInit()
 {
    return false;
 }
-#endif
+#endif
+
+#ifdef HAS_SERIAL_BATTERY_LEVEL
+#include <SoftwareSerial.h>
+
+/**
+ * SerialBatteryLevel class for pulling battery information from a secondary MCU over serial.
+ */
+class SerialBatteryLevel : public HasBatteryLevel
+{
+
+  public:
+    /**
+     * Init the I2C meshSolar battery level sensor
+     */
+    bool runOnce()
+    {
+        BatterySerial.begin(4800);
+
+        return true;
+    }
+
+    /**
+     * Battery state of charge, from 0 to 100 or -1 for unknown
+     */
+    virtual int getBatteryPercent() override { return v_percent; }
+
+    /**
+     * The raw voltage of the battery in millivolts, or NAN if unknown
+     */
+    virtual uint16_t getBattVoltage() override { return voltage * 1000; }
+
+    /**
+     * return true if there is a battery installed in this unit
+     */
+    virtual bool isBatteryConnect() override
+    {
+        // definitely need to gobble up more bytes at once
+        if (BatterySerial.available() > 5) {
+            // LOG_WARN("SerialBatteryLevel: %u bytes available", BatterySerial.available());
+            while (BatterySerial.available() > 11) {
+                BatterySerial.read(); // flush old data
+            }
+            // LOG_WARN("SerialBatteryLevel: %u bytes now available", BatterySerial.available());
+            int tries = 0;
+            while (BatterySerial.read() != 0xFE) {
+                tries++; // wait for start byte
+                if (tries > 10) {
+                    LOG_WARN("SerialBatteryLevel: no start byte found");
+                    return 1;
+                }
+            }
+
+            Data[1] = BatterySerial.read();
+            Data[2] = BatterySerial.read();
+            Data[3] = BatterySerial.read();
+            Data[4] = BatterySerial.read();
+            Data[5] = BatterySerial.read();
+            if (Data[5] != 0xFD) {
+                LOG_WARN("SerialBatteryLevel: invalid end byte %02x", Data[5]);
+                return true;
+            }
+            v_percent = Data[1];
+            voltage = Data[2] + (((float)Data[3]) / 100) + (((float)Data[4]) / 10000);
+            voltage *= 2;
+            // LOG_WARN("SerialBatteryLevel: received data %u, %f, %02x", v_percent, voltage, Data[5]);
+            return true;
+        }
+        // This function runs first, so use it to grab the latest data from the secondary MCU
+        return true;
+    }
+
+    /**
+     * return true if there is an external power source detected
+     */
+    virtual bool isVbusIn() override
+    {
+#if defined(EXT_CHRG_DETECT)
+
+        return digitalRead(EXT_CHRG_DETECT) == ext_chrg_detect_value;
+
+#endif
+        return false;
+    }
+
+    virtual bool isCharging() override
+    {
+#ifdef EXT_CHRG_DETECT
+        return digitalRead(EXT_CHRG_DETECT) == ext_chrg_detect_value;
+
+#endif
+        // by default, we check the battery voltage only
+        return isVbusIn();
+    }
+
+  private:
+    SoftwareSerial BatterySerial = SoftwareSerial(SERIAL_BATTERY_RX, SERIAL_BATTERY_TX);
+    uint8_t Data[6] = {0};
+    int v_percent = 0;
+    float voltage = 0.0;
+};
+
+SerialBatteryLevel serialBatteryLevel;
+
+/**
+ * Init the serial battery level sensor
+ */
+bool Power::serialBatteryInit()
+{
+#ifdef EXT_PWR_DETECT
+    pinMode(EXT_PWR_DETECT, INPUT);
+#endif
+#ifdef EXT_CHRG_DETECT
+    pinMode(EXT_CHRG_DETECT, ext_chrg_detect_mode);
+#endif
+
+    bool result = serialBatteryLevel.runOnce();
+    LOG_DEBUG("Power::serialBatteryInit serial battery sensor is %s", result ? "ready" : "not ready yet");
+    if (!result)
+        return false;
+    batteryLevel = &serialBatteryLevel;
+    return true;
+}
+
+#else
+/**
+ * If this device has no serial battery level sensor, don't try to use it.
+ */
+bool Power::serialBatteryInit()
+{
+    return false;
+}
+#endif
@@ -6,6 +6,11 @@
 #include "Tone.h"
 #endif

+#if defined(HAS_I2S)
+#include "main.h"
+#include <unordered_map>
+#endif
+
 #if !defined(ARCH_PORTDUINO)
 extern "C" void delay(uint32_t dwMs);
 #endif
@@ -16,6 +21,7 @@ struct ToneDuration {
 };

 // Some common frequencies.
+#define NOTE_SILENT 1
 #define NOTE_C3 131
 #define NOTE_CS3 139
 #define NOTE_D3 147
@@ -29,13 +35,70 @@ struct ToneDuration {
 #define NOTE_AS3 233
 #define NOTE_B3 247
 #define NOTE_CS4 277
+#define NOTE_B4 494
+#define NOTE_F5 698
+#define NOTE_G6 1568
+#define NOTE_E7 2637

+#define NOTE_C4 262
+#define NOTE_E4 330
+#define NOTE_G4 392
+#define NOTE_A4 440
+#define NOTE_C5 523
+#define NOTE_E5 659
+#define NOTE_G5 784
+
+const int DURATION_1_16 = 62;  // 1/16 note
 const int DURATION_1_8 = 125;  // 1/8 note
 const int DURATION_1_4 = 250;  // 1/4 note
 const int DURATION_1_2 = 500;  // 1/2 note
 const int DURATION_3_4 = 750;  // 1/4 note
 const int DURATION_1_1 = 1000; // 1/1 note

+#ifdef HAS_I2S
+void playTonesRTTTL(const ToneDuration *tone_durations, int size)
+{
+    // translate ToneDuration[] to RTTTL string and play using audioThread
+    static std::unordered_map<int, std::string> freqToNote = {
+        {NOTE_C3, "c4"},   {NOTE_CS3, "c#4"}, {NOTE_D3, "d4"},   {NOTE_DS3, "d#4"}, {NOTE_E3, "e4"},   {NOTE_F3, "f4"},
+        {NOTE_FS3, "f#4"}, {NOTE_G3, "g4"},   {NOTE_GS3, "g#4"}, {NOTE_A3, "a4"},   {NOTE_AS3, "a#4"}, {NOTE_B3, "b4"},
+        {NOTE_C4, "c5"},   {NOTE_E4, "e5"},   {NOTE_G4, "g5"},   {NOTE_A4, "a5"},   {NOTE_C5, "c6"},   {NOTE_E5, "e6"},
+        {NOTE_G5, "g6"},   {NOTE_F5, "f6"},   {NOTE_G6, "g7"},   {NOTE_E7, "e8"}};
+
+    char rtttl[128] = "tone:d=32,o=4,b=200:"; // default duration and octave
+    for (int i = 0; i < size; i++) {
+        const auto &td = tone_durations[i];
+        std::string note = "b4";
+        if (freqToNote.find(td.frequency_khz) != freqToNote.end()) {
+            note = freqToNote[td.frequency_khz];
+        }
+        int dur = 32; // default duration
+        if (td.duration_ms >= 1000)
+            dur = 1;
+        else if (td.duration_ms >= 500)
+            dur = 2;
+        else if (td.duration_ms >= 250)
+            dur = 4;
+        else if (td.duration_ms >= 125)
+            dur = 8;
+        else if (td.duration_ms >= 62)
+            dur = 16;
+        else
+            dur = 32;
+
+        char noteStr[64];
+        snprintf(noteStr, sizeof(noteStr), "%s,%d", note.c_str(), dur);
+        strncat(rtttl, noteStr, sizeof(rtttl) - strlen(rtttl) - 1);
+
+        audioThread->beginRttl(rtttl, strlen(rtttl));
+        while (audioThread->isPlaying()) {
+            delay(10);
+        }
+        return;
+    }
+}
+#endif
+
 void playTones(const ToneDuration *tone_durations, int size)
 {
    if (config.device.buzzer_mode == meshtastic_Config_DeviceConfig_BuzzerMode_DISABLED ||
@@ -43,7 +106,13 @@ void playTones(const ToneDuration *tone_durations, int size)
        // Buzzer is disabled or not set to system tones
        return;
    }
-#ifdef PIN_BUZZER
+#ifdef HAS_I2S
+    if (moduleConfig.external_notification.use_i2s_as_buzzer && audioThread) {
+        playTonesRTTTL(tone_durations, size);
+        return;
+    }
+#endif
+#if defined(PIN_BUZZER)
    if (!config.device.buzzer_gpio)
        config.device.buzzer_gpio = PIN_BUZZER;
 #endif
@@ -59,7 +128,7 @@ void playTones(const ToneDuration *tone_durations, int size)

 void playBeep()
 {
-    ToneDuration melody[] = {{NOTE_B3, DURATION_1_8}};
+    ToneDuration melody[] = {{NOTE_B3, DURATION_1_16}};
    playTones(melody, sizeof(melody) / sizeof(ToneDuration));
 }

@@ -96,7 +165,14 @@ void playShutdownMelody()
 void playChirp()
 {
    // A short, friendly "chirp" sound for key presses
-    ToneDuration melody[] = {{NOTE_AS3, 20}}; // Very short AS3 note
+    ToneDuration melody[] = {{NOTE_AS3, 20}}; // Short AS3 note
+    playTones(melody, sizeof(melody) / sizeof(ToneDuration));
+}
+
+void playClick()
+{
+    // A very short "click" sound with minimum delay; ideal for rotary encoder events
+    ToneDuration melody[] = {{NOTE_AS3, 1}}; // Very Short AS3
    playTones(melody, sizeof(melody) / sizeof(ToneDuration));
 }

@@ -228,6 +228,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define ICM20948_ADDR_ALT 0x68
 #define BHI260AP_ADDR 0x28
 #define BMM150_ADDR 0x13
+#define DA217_ADDR 0x26
+#define BMI270_ADDR 0x68
+#define BMI270_ADDR_ALT 0x69

 // -----------------------------------------------------------------------------
 // LED
@@ -395,6 +398,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define HAS_RGB_LED
 #endif

+#ifndef LED_STATE_OFF
+#define LED_STATE_OFF 0
+#endif
+#ifndef LED_STATE_ON
+#define LED_STATE_ON 1
+#endif
+
 // default mapping of pins
 #if defined(PIN_BUTTON2) && !defined(CANCEL_BUTTON_PIN)
 #define ALT_BUTTON_PIN PIN_BUTTON2
@@ -37,8 +37,8 @@ ScanI2C::FoundDevice ScanI2C::firstKeyboard() const

 ScanI2C::FoundDevice ScanI2C::firstAccelerometer() const
 {
-    ScanI2C::DeviceType types[] = {MPU6050, LIS3DH, BMA423, LSM6DS3, BMX160, STK8BAXX, ICM20948, QMA6100P, BMM150};
-    return firstOfOrNONE(9, types);
+    ScanI2C::DeviceType types[] = {MPU6050, LIS3DH, BMA423, LSM6DS3, BMX160, STK8BAXX, ICM20948, QMA6100P, BMM150, BMI270};
+    return firstOfOrNONE(10, types);
 }

 ScanI2C::FoundDevice ScanI2C::firstAQI() const
@@ -85,7 +85,9 @@ class ScanI2C
        DRV2605,
        BH1750,
        DA217,
-        CHSC6X
+        CHSC6X,
+        CST226SE,
+        BMI270
    } DeviceType;

    // typedef uint8_t DeviceAddress;
@@ -529,14 +529,23 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                }
                break;

-            case ICM20948_ADDR:     // same as BMX160_ADDR
-            case ICM20948_ADDR_ALT: // same as MPU6050_ADDR
+            case ICM20948_ADDR:     // same as BMX160_ADDR, BMI270_ADDR_ALT
+            case ICM20948_ADDR_ALT: // same as MPU6050_ADDR, BMI270_ADDR
                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x00), 1);
+#ifdef HAS_ICM20948
+                type = ICM20948;
+                logFoundDevice("ICM20948", (uint8_t)addr.address);
+                break;
+#endif
                if (registerValue == 0xEA) {
                    type = ICM20948;
                    logFoundDevice("ICM20948", (uint8_t)addr.address);
                    break;
-                } else if (addr.address == BMX160_ADDR) {
+                } else if (registerValue == 0x24) {
+                    type = BMI270;
+                    logFoundDevice("BMI270", (uint8_t)addr.address);
+                    break;
+                } else if (registerValue == 0xD8) { // BMX160 chip ID at register 0x00
                    type = BMX160;
                    logFoundDevice("BMX160", (uint8_t)addr.address);
                    break;
@@ -894,14 +894,11 @@ void GPS::writePinEN(bool on)
 void GPS::writePinStandby(bool standby)
 {
 #ifdef PIN_GPS_STANDBY // Specifically the standby pin for L76B, L76K and clones
-
-// Determine the new value for the pin
-// Normally: active HIGH for awake
-#ifdef PIN_GPS_STANDBY_INVERTED
-    bool val = standby;
-#else
-    bool val = !standby;
-#endif
+    bool val;
+    if (standby)
+        val = GPS_STANDBY_ACTIVE;
+    else
+        val = !GPS_STANDBY_ACTIVE;

    // Write and log
    pinMode(PIN_GPS_STANDBY, OUTPUT);
@@ -16,6 +16,11 @@
 #define GPS_EN_ACTIVE 1
 #endif

+// Allow defining the polarity of the STANDBY output.  default is LOW for standby
+#ifndef GPS_STANDBY_ACTIVE
+#define GPS_STANDBY_ACTIVE LOW
+#endif
+
 static constexpr uint32_t GPS_UPDATE_ALWAYS_ON_THRESHOLD_MS = 10 * 1000UL;
 static constexpr uint32_t GPS_FIX_HOLD_MAX_MS = 20000;

@@ -112,7 +112,11 @@ RTCSetResult readFromRTC()
 #elif defined(RX8130CE_RTC)
    if (rtc_found.address == RX8130CE_RTC) {
        uint32_t now = millis();
+#ifdef MUZI_BASE
+        ArtronShop_RX8130CE rtc(&Wire1);
+#else
        ArtronShop_RX8130CE rtc(&Wire);
+#endif
        tm t;
        if (rtc.getTime(&t)) {
            tv.tv_sec = gm_mktime(&t);
@@ -245,7 +249,11 @@ RTCSetResult perhapsSetRTC(RTCQuality q, const struct timeval *tv, bool forceUpd
        }
 #elif defined(RX8130CE_RTC)
        if (rtc_found.address == RX8130CE_RTC) {
+#ifdef MUZI_BASE
+            ArtronShop_RX8130CE rtc(&Wire1);
+#else
            ArtronShop_RX8130CE rtc(&Wire);
+#endif
            tm *t = gmtime(&tv->tv_sec);
            if (rtc.setTime(*t)) {
                LOG_DEBUG("RX8130CE setDateTime %02d-%02d-%02d %02d:%02d:%02d (%ld)", t->tm_year + 1900, t->tm_mon + 1,
@@ -435,6 +435,17 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
            PMU->enablePowerOutput(XPOWERS_ALDO2);
 #endif

+// some screens seem to need a kick in the pants to turn back on
+#if defined(MUZI_BASE) || defined(M5STACK_CARDPUTER_ADV)
+            dispdev->init();
+            dispdev->setBrightness(brightness);
+            dispdev->flipScreenVertically();
+            dispdev->resetDisplay();
+#ifdef SCREEN_12V_ENABLE
+            digitalWrite(SCREEN_12V_ENABLE, HIGH);
+#endif
+            delay(100);
+#endif
 #if !ARCH_PORTDUINO
            dispdev->displayOn();
 #endif
@@ -456,9 +467,11 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
 #if defined(HELTEC_TRACKER_V1_X) || defined(HELTEC_WIRELESS_TRACKER_V2)
            ui->init();
 #endif
-#ifdef USE_ST7789
+#if defined(USE_ST7789) && defined(VTFT_LEDA)
+#ifdef VTFT_CTRL
            pinMode(VTFT_CTRL, OUTPUT);
            digitalWrite(VTFT_CTRL, LOW);
+#endif
            ui->init();
 #ifdef ESP_PLATFORM
            analogWrite(VTFT_LEDA, BRIGHTNESS_DEFAULT);
@@ -484,11 +497,19 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
 #endif

            dispdev->displayOff();
+
+#ifdef SCREEN_12V_ENABLE
+            digitalWrite(SCREEN_12V_ENABLE, LOW);
+#endif
 #ifdef USE_ST7789
            SPI1.end();
 #if defined(ARCH_ESP32)
+#ifdef VTFT_LEDA
            pinMode(VTFT_LEDA, ANALOG);
+#endif
+#ifdef VTFT_CTRL
            pinMode(VTFT_CTRL, ANALOG);
+#endif
            pinMode(ST7789_RESET, ANALOG);
            pinMode(ST7789_RS, ANALOG);
            pinMode(ST7789_NSS, ANALOG);
@@ -534,7 +555,7 @@ void Screen::setup()
        static_cast<AutoOLEDWire *>(dispdev)->setDetected(model);
 #endif

-#ifdef USE_SH1107_128_64
+#if defined(USE_SH1107_128_64) || defined(USE_SH1107)
    static_cast<SH1106Wire *>(dispdev)->setSubtype(7);
 #endif

@@ -542,6 +563,9 @@ void Screen::setup()
    // Apply custom RGB color (e.g. Heltec T114/T190)
    static_cast<ST7789Spi *>(dispdev)->setRGB(TFT_MESH);
 #endif
+#if defined(MUZI_BASE)
+    dispdev->delayPoweron = true;
+#endif

    // === Initialize display and UI system ===
    ui->init();
@@ -249,6 +249,8 @@ class Screen : public concurrency::OSThread

    bool isOverlayBannerShowing();

+    bool isScreenOn() { return screenOn; }
+
    // Stores the last 4 of our hardware ID, to make finding the device for pairing easier
    // FIXME: Needs refactoring and getMacAddr needs to be moved to a utility class
    char ourId[5];
@@ -726,7 +728,11 @@ class Screen : public concurrency::OSThread
    DebugInfo debugInfo;

    /// Display device
+#ifdef USE_ST7789
+    ST7789Spi *dispdev;
+#else
    OLEDDisplay *dispdev;
+#endif

    /// UI helper for rendering to frames and switching between them
    OLEDDisplayUi *ui;
@@ -1226,9 +1226,9 @@ void menuHandler::traceRouteMenu()
 void menuHandler::testMenu()
 {

-    enum optionsNumbers { Back, NumberPicker, ShowChirpy };
-    static const char *optionsArray[4] = {"Back"};
-    static int optionsEnumArray[4] = {Back};
+    enum optionsNumbers { Back, NumberPicker, ShowChirpy, TestAnnounce };
+    static const char *optionsArray[5] = {"Back"};
+    static int optionsEnumArray[5] = {Back};
    int options = 1;

    optionsArray[options] = "Number Picker";
@@ -1236,6 +1236,10 @@ void menuHandler::testMenu()

    optionsArray[options] = screen->isFrameHidden("chirpy") ? "Show Chirpy" : "Hide Chirpy";
    optionsEnumArray[options++] = ShowChirpy;
+#ifdef HAS_I2S
+    optionsArray[options] = "Test Announce";
+    optionsEnumArray[options++] = TestAnnounce;
+#endif

    BannerOverlayOptions bannerOptions;
    bannerOptions.message = "Hidden Test Menu";
@@ -1250,6 +1254,10 @@ void menuHandler::testMenu()
            screen->toggleFrameVisibility("chirpy");
            screen->setFrames(Screen::FOCUS_SYSTEM);

+        } else if (selected == TestAnnounce) {
+#ifdef HAS_I2S
+            audioThread->readAloud("This is a test of the emergency broadcast system. This is only a test.");
+#endif
        } else {
            menuQueue = system_base_menu;
            screen->runNow();
@@ -0,0 +1,200 @@
+#if defined(M5STACK_CARDPUTER_ADV)
+
+#include "CardputerKeyboard.h"
+#include "main.h"
+
+#define _TCA8418_COLS 8
+#define _TCA8418_ROWS 7
+#define _TCA8418_NUM_KEYS 56
+
+#define _TCA8418_MULTI_TAP_THRESHOLD 1500
+
+using Key = TCA8418KeyboardBase::TCA8418Key;
+
+constexpr uint8_t modifierFnKey = 2;
+constexpr uint8_t modifierFn = 0b0010;
+constexpr uint8_t modifierCtrlKey = 3;
+constexpr uint8_t modifierShiftKey = 6;
+constexpr uint8_t modifierShift = 0b0001;
+constexpr uint8_t modifierOptKey = 7;
+constexpr uint8_t modifierAltKey = 11;
+
+// Num chars per key, Modulus for rotating through characters
+static uint8_t CardputerTapMod[_TCA8418_NUM_KEYS] = {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+                                                     3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+                                                     3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3};
+
+static unsigned char CardputerTapMap[_TCA8418_NUM_KEYS][3] = {{'`', '~', Key::ESC},
+                                                              {Key::TAB, 0x00, 0x00},
+                                                              {0x00, 0x00, 0x00},
+                                                              {0x00, 0x00, 0x00},
+                                                              {'1', '!', 0x00},
+                                                              {'q', 'Q', Key::REBOOT},
+                                                              {0x00, 0x00, 0x00},
+                                                              {0x00, 0x00, 0x00},
+                                                              {'2', '@', 0x00},
+                                                              {'w', 'W', 0x00},
+                                                              {'a', 'A', 0x00},
+                                                              {0x00, 0x00, 0x00},
+                                                              {'3', '#', 0x00},
+                                                              {'e', 'E', 0x00},
+                                                              {'s', 'S', 0x00},
+                                                              {'z', 'Z', 0x00},
+                                                              {'4', '$', 0x00},
+                                                              {'r', 'R', 0x00},
+                                                              {'d', 'D', 0x00},
+                                                              {'x', 'X', 0x00},
+                                                              {'5', '%', 0x00},
+                                                              {'t', 'T', 0x00},
+                                                              {'f', 'F', 0x00},
+                                                              {'c', 'C', 0x00},
+                                                              {'6', '^', 0x00},
+                                                              {'y', 'Y', 0x00},
+                                                              {'g', 'G', Key::GPS_TOGGLE},
+                                                              {'v', 'V', 0x00},
+                                                              {'7', '&', 0x00},
+                                                              {'u', 'U', 0x00},
+                                                              {'h', 'H', 0x00},
+                                                              {'b', 'B', Key::BT_TOGGLE},
+                                                              {'8', '*', 0x00},
+                                                              {'i', 'I', 0x00},
+                                                              {'j', 'J', 0x00},
+                                                              {'n', 'N', 0x00},
+                                                              {'9', '(', 0x00},
+                                                              {'o', 'O', 0x00},
+                                                              {'k', 'K', 0x00},
+                                                              {'m', 'M', Key::MUTE_TOGGLE},
+                                                              {'0', ')', 0x00},
+                                                              {'p', 'P', Key::SEND_PING},
+                                                              {'l', 'L', 0x00},
+                                                              {',', '<', Key::LEFT},
+                                                              {'_', '-', 0x00},
+                                                              {'[', '{', 0x00},
+                                                              {';', ':', Key::UP},
+                                                              {'.', '>', Key::DOWN},
+                                                              {'=', '+', 0x00},
+                                                              {']', '}', 0x00},
+                                                              {'\'', '"', 0x00},
+                                                              {'/', '?', Key::RIGHT},
+                                                              {Key::BSP, 0x00, 0x00},
+                                                              {'\\', '|', 0x00},
+                                                              {Key::SELECT, 0x00, 0x00},
+                                                              {' ', ' ', ' '}};
+
+CardputerKeyboard::CardputerKeyboard()
+    : TCA8418KeyboardBase(_TCA8418_ROWS, _TCA8418_COLS), modifierFlag(0), last_modifier_time(0), last_key(-1), next_key(-1),
+      last_tap(0L), char_idx(0), tap_interval(0)
+{
+    reset();
+}
+
+void CardputerKeyboard::reset(void)
+{
+    TCA8418KeyboardBase::reset();
+}
+
+// handle multi-key presses (shift and alt)
+void CardputerKeyboard::trigger()
+{
+    uint8_t count = keyCount();
+    if (count == 0)
+        return;
+    for (uint8_t i = 0; i < count; ++i) {
+        uint8_t k = readRegister(TCA8418_REG_KEY_EVENT_A + i);
+        uint8_t key = k & 0x7F;
+        if (k & 0x80) {
+            pressed(key);
+        } else {
+            released();
+            state = Idle;
+        }
+    }
+}
+
+void CardputerKeyboard::pressed(uint8_t key)
+{
+    if (state == Init || state == Busy) {
+        return;
+    }
+
+    if (modifierFlag && (millis() - last_modifier_time > _TCA8418_MULTI_TAP_THRESHOLD)) {
+        modifierFlag = 0;
+    }
+
+    uint8_t next_key = 0;
+    int row = (key - 1) / 10;
+    int col = (key - 1) % 10;
+
+    if (row >= _TCA8418_ROWS || col >= _TCA8418_COLS) {
+        return; // Invalid key
+    }
+
+    next_key = row * _TCA8418_COLS + col;
+    state = Held;
+
+    uint32_t now = millis();
+    tap_interval = now - last_tap;
+
+    updateModifierFlag(next_key);
+    if (isModifierKey(next_key)) {
+        last_modifier_time = now;
+    }
+
+    if (tap_interval < 0) {
+        last_tap = 0;
+        state = Busy;
+        return;
+    }
+
+    if (next_key != last_key || tap_interval > _TCA8418_MULTI_TAP_THRESHOLD) {
+        char_idx = 0;
+    } else {
+        char_idx += 1;
+    }
+
+    last_key = next_key;
+    last_tap = now;
+}
+
+void CardputerKeyboard::released()
+{
+    if (state != Held) {
+        return;
+    }
+
+    if (last_key < 0 || last_key >= _TCA8418_NUM_KEYS) {
+        last_key = -1;
+        state = Idle;
+        return;
+    }
+
+    uint32_t now = millis();
+    last_tap = now;
+
+    if (inputBroker->menuMode && modifierFlag == 0) {
+        if (last_key == 0 || last_key == 43 || last_key == 46 || last_key == 47 ||
+            last_key == 51) { // esc, left, up, down, right key
+            modifierFlag = modifierFn;
+        }
+    }
+
+    queueEvent(CardputerTapMap[last_key][modifierFlag % CardputerTapMod[last_key]]);
+    if (isModifierKey(last_key) == false)
+        modifierFlag = 0;
+}
+
+void CardputerKeyboard::updateModifierFlag(uint8_t key)
+{
+    if (key == modifierShiftKey) {
+        modifierFlag ^= modifierShift;
+    } else if (key == modifierFnKey) {
+        modifierFlag ^= modifierFn;
+    }
+}
+
+bool CardputerKeyboard::isModifierKey(uint8_t key)
+{
+    return (key == modifierShiftKey || key == modifierFnKey);
+}
+
+#endif
@@ -0,0 +1,26 @@
+#include "TCA8418KeyboardBase.h"
+
+class CardputerKeyboard : public TCA8418KeyboardBase
+{
+  public:
+    CardputerKeyboard();
+    void reset(void);
+    void trigger(void) override;
+    virtual ~CardputerKeyboard() {}
+
+  protected:
+    void pressed(uint8_t key) override;
+    void released(void) override;
+
+    void updateModifierFlag(uint8_t key);
+    bool isModifierKey(uint8_t key);
+
+  private:
+    uint8_t modifierFlag;
+    uint32_t last_modifier_time;
+    int8_t last_key;
+    int8_t next_key;
+    uint32_t last_tap;
+    uint8_t char_idx;
+    int32_t tap_interval;
+};
@@ -18,6 +18,7 @@ enum input_broker_event {
    INPUT_BROKER_USER_PRESS,
    INPUT_BROKER_ALT_PRESS,
    INPUT_BROKER_ALT_LONG,
+    INPUT_BROKER_FACTORY_RST = 0x9a,
    INPUT_BROKER_SHUTDOWN = 0x9b,
    INPUT_BROKER_GPS_TOGGLE = 0x9e,
    INPUT_BROKER_SEND_PING = 0xaf,
@@ -57,6 +58,7 @@ class InputBroker : public Observable<const InputEvent *>

  public:
    InputBroker();
+    bool menuMode = true;
    void registerSource(Observable<const InputEvent *> *source);
    void injectInputEvent(const InputEvent *event) { handleInputEvent(event); }
 #if defined(HAS_FREE_RTOS) && !defined(ARCH_RP2040)
@@ -7,6 +7,10 @@
 #include "TDeckProKeyboard.h"
 #elif defined(T_LORA_PAGER)
 #include "TLoraPagerKeyboard.h"
+#elif defined(M5STACK_CARDPUTER_ADV)
+#include "CardputerKeyboard.h"
+#elif defined(HACKADAY_COMMUNICATOR)
+#include "HackadayCommunicatorKeyboard.h"
 #else
 #include "TCA8418Keyboard.h"
 #endif
@@ -20,6 +24,10 @@ KbI2cBase::KbI2cBase(const char *name)
      TCAKeyboard(*(new TDeckProKeyboard()))
 #elif defined(T_LORA_PAGER)
      TCAKeyboard(*(new TLoraPagerKeyboard()))
+#elif defined(M5STACK_CARDPUTER_ADV)
+      TCAKeyboard(*(new CardputerKeyboard()))
+#elif defined(HACKADAY_COMMUNICATOR)
+      TCAKeyboard(*(new HackadayCommunicatorKeyboard()))
 #else
      TCAKeyboard(*(new TCA8418Keyboard()))
 #endif
@@ -59,12 +59,12 @@ NimbleBluetooth *nimbleBluetooth = nullptr;
 NRF52Bluetooth *nrf52Bluetooth = nullptr;
 #endif

-#if HAS_WIFI || defined(USE_WS5500)
+#if HAS_WIFI || defined(USE_WS5500) || defined(USE_CH390D)
 #include "mesh/api/WiFiServerAPI.h"
 #include "mesh/wifi/WiFiAPClient.h"
 #endif

-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
 #include "mesh/api/ethServerAPI.h"
 #include "mesh/eth/ethClient.h"
 #endif
@@ -330,7 +330,7 @@ void setup()

 #ifdef WIFI_LED
    pinMode(WIFI_LED, OUTPUT);
-    digitalWrite(WIFI_LED, LOW);
+    digitalWrite(WIFI_LED, HIGH ^ WIFI_STATE_ON);
 #endif

 #ifdef BLE_LED
@@ -1118,7 +1118,12 @@ void setup()
        userConfigNoScreen.singlePress = INPUT_BROKER_USER_PRESS;
        userConfigNoScreen.longPress = INPUT_BROKER_NONE;
        userConfigNoScreen.longPressTime = 500;
+#if defined(ELECROW_ThinkNode_M7)
+        userConfigNoScreen.longLongPressTime = 15 * 1000;
+        userConfigNoScreen.longLongPress = INPUT_BROKER_FACTORY_RST;
+#else
        userConfigNoScreen.longLongPress = INPUT_BROKER_SHUTDOWN;
+#endif
        userConfigNoScreen.doublePress = INPUT_BROKER_SEND_PING;
        userConfigNoScreen.triplePress = INPUT_BROKER_GPS_TOGGLE;
        UserButtonThread->initButton(userConfigNoScreen);
@@ -25,7 +25,7 @@ template class LR11x0Interface<LR1121>;
 template class SX126xInterface<STM32WLx>;
 #endif

-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
 #include "api/ethServerAPI.h"
 template class ServerAPI<EthernetClient>;
 template class APIServerPort<ethServerAPI, EthernetServer>;
@@ -77,6 +77,14 @@ static unsigned char userprefs_admin_key_1[] = USERPREFS_USE_ADMIN_KEY_1;
 static unsigned char userprefs_admin_key_2[] = USERPREFS_USE_ADMIN_KEY_2;
 #endif

+// Weak empty variant initialization function.
+// May be redefined by variant files.
+void variantDefaultConfig() __attribute__((weak));
+void variantDefaultConfig() {}
+
+void variantDefaultModuleConfig() __attribute__((weak));
+void variantDefaultModuleConfig() {}
+
 #ifdef HELTEC_MESH_NODE_T114

 uint32_t read8(uint8_t bits, uint8_t dummy, uint8_t cs, uint8_t sck, uint8_t mosi, uint8_t dc, uint8_t rst)
@@ -728,6 +736,9 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
    config.display.screen_on_secs = 30;
    config.display.wake_on_tap_or_motion = true;
 #endif
+#ifdef COMPASS_ORIENTATION
+    config.display.compass_orientation = COMPASS_ORIENTATION;
+#endif
 #if defined(ARCH_ESP32) && !MESHTASTIC_EXCLUDE_WIFI
    if (WiFiOTA::isUpdated()) {
        WiFiOTA::recoverConfig(&config.network);
@@ -740,6 +751,8 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
 #endif

    initConfigIntervals();
+    variantDefaultConfig();
+    variantDefaultModuleConfig();
 }

 void NodeDB::initConfigIntervals()
@@ -795,11 +808,16 @@ void NodeDB::installDefaultModuleConfig()
    moduleConfig.external_notification.output_ms = 500;
    moduleConfig.external_notification.nag_timeout = 2;
 #endif
-#if defined(RAK4630) || defined(RAK11310) || defined(RAK3312)
-    // Default to RAK led pin 2 (blue)
+#if defined(RAK4630) || defined(RAK11310) || defined(RAK3312) || defined(MUZI_BASE) || defined(ELECROW_ThinkNode_M3) ||          \
+    defined(ELECROW_ThinkNode_M4) || defined(ELECROW_ThinkNode_M6)
+    // Default to PIN_LED2 for external notification output (LED color depends on device variant)
    moduleConfig.external_notification.enabled = true;
    moduleConfig.external_notification.output = PIN_LED2;
+#if defined(MUZI_BASE) || defined(ELECROW_ThinkNode_M3)
+    moduleConfig.external_notification.active = false;
+#else
    moduleConfig.external_notification.active = true;
+#endif
    moduleConfig.external_notification.alert_message = true;
    moduleConfig.external_notification.output_ms = 1000;
    moduleConfig.external_notification.nag_timeout = default_ringtone_nag_secs;
@@ -406,6 +406,9 @@ void RadioLibInterface::completeSending()
    // that can take a long time
    auto p = sendingPacket;
    sendingPacket = NULL;
+#ifdef LED_LORA
+    digitalWrite(LED_LORA, LED_STATE_OFF);
+#endif

    if (p) {
        // Packet has been sent, count it toward our TX airtime utilization.
@@ -559,6 +562,9 @@ bool RadioLibInterface::startSend(meshtastic_MeshPacket *txp)
            enableInterrupt(isrTxLevel0);
            lastTxStart = millis();
            printPacket("Started Tx", txp);
+#ifdef LED_LORA
+            digitalWrite(LED_LORA, LED_STATE_ON);
+#endif
        }

        return res == RADIOLIB_ERR_NONE;
@@ -1,7 +1,7 @@
 #include "configuration.h"
 #include <Arduino.h>

-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)

 #include "ethServerAPI.h"

@@ -1,7 +1,7 @@
 #pragma once

 #include "ServerAPI.h"
-#ifndef USE_WS5500
+#if !defined(USE_WS5500) && !defined(USE_CH390D)
 #include <RAK13800_W5100S.h>

 /**
@@ -9,7 +9,7 @@
 #include <RAK13800_W5100S.h>
 #include <SPI.h>

-#if HAS_NETWORKING
+#if HAS_NETWORKING && !defined(USE_WS5500) && !defined(USE_CH390D)

 #ifndef DISABLE_NTP
 #include <NTPClient.h>
@@ -288,6 +288,16 @@ typedef enum _meshtastic_HardwareModel {
    meshtastic_HardwareModel_WISMESH_TAP_V2 = 116,
    /* RAK3401 */
    meshtastic_HardwareModel_RAK3401 = 117,
+    /* RAK6421 Hat+ */
+    meshtastic_HardwareModel_RAK6421 = 118,
+    /* Elecrow ThinkNode M4 */
+    meshtastic_HardwareModel_THINKNODE_M4 = 119,
+    /* Elecrow ThinkNode M6 */
+    meshtastic_HardwareModel_THINKNODE_M6 = 120,
+    /* Elecrow ThinkNode M7, M8 and M9 */
+    meshtastic_HardwareModel_THINKNODE_M7 = 129,
+    meshtastic_HardwareModel_THINKNODE_M8 = 130,
+    meshtastic_HardwareModel_THINKNODE_M9 = 131,
    /* ------------------------------------------------------------------------------------------------------------------------------------------
 Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.
 ------------------------------------------------------------------------------------------------------------------------------------------ */
@@ -825,7 +835,11 @@ typedef struct _meshtastic_MeshPacket {
 Note: Our crypto implementation uses this field as well.
 See [crypto](/docs/overview/encryption) for details. */
    uint32_t from;
-    /* The (immediate) destination for this packet */
+    /* The (immediate) destination for this packet
+ If the value is 4,294,967,295 (maximum value of an unsigned 32bit integer), this indicates that the packet was
+ not destined for a specific node, but for a channel as indicated by the value of `channel` below.
+ If the value is another, this indicates that the packet was destined for a specific
+ node (i.e. a kind of "Direct Message" to this node) and not broadcast on a channel. */
    uint32_t to;
    /* (Usually) If set, this indicates the index in the secondary_channels table that this packet was sent/received on.
 If unset, packet was on the primary channel.
@@ -15,6 +15,12 @@
 #define ETH ETH2
 #endif // HAS_ETHERNET

+#if HAS_ETHERNET && defined(USE_CH390D)
+#include "ESP32_CH390.h"
+#include "hal/spi_types.h"
+#define ETH CH390
+#endif // HAS_ETHERNET
+
 #include <WiFiUdp.h>
 #ifdef ARCH_ESP32
 #if !MESHTASTIC_EXCLUDE_WEBSERVER
@@ -56,12 +62,43 @@ unsigned long lastrun_ntp = 0;

 bool needReconnect = true;   // If we create our reconnector, run it once at the beginning
 bool isReconnecting = false; // If we are currently reconnecting
+#if defined(USE_WS5500) || defined(USE_CH390D)
+static volatile bool ethNetworkConnectedPending = false;
+#endif

 WiFiUDP syslogClient;
 Syslog syslog(syslogClient);

 Periodic *wifiReconnect;

+#if defined(USE_WS5500) || defined(USE_CH390D)
+static void onNetworkConnected();
+static uint32_t lastEthIP = 0;
+static int32_t ethNetworkConnectedPoll()
+{
+    if (ethNetworkConnectedPending) {
+        ethNetworkConnectedPending = false;
+        uint32_t ip = (uint32_t)ETH.localIP();
+        bool ipChanged = APStartupComplete && ip != 0 && ip != lastEthIP;
+        onNetworkConnected();
+        if (ipChanged) {
+            LOG_INFO("Ethernet IP changed (%u.%u.%u.%u), restarting mDNS", ip & 0xff, (ip >> 8) & 0xff, (ip >> 16) & 0xff,
+                     (ip >> 24) & 0xff);
+            MDNS.end();
+            if (MDNS.begin("Meshtastic")) {
+                MDNS.addService("meshtastic", "tcp", SERVER_API_DEFAULT_PORT);
+                MDNS.addServiceTxt("meshtastic", "tcp", "shortname", String(owner.short_name));
+                MDNS.addServiceTxt("meshtastic", "tcp", "id", String(nodeDB->getNodeId().c_str()));
+                MDNS.addServiceTxt("meshtastic", "tcp", "pio_env", optstr(APP_ENV));
+            }
+        }
+        if (ip != 0)
+            lastEthIP = ip;
+    }
+    return 500;
+}
+#endif
+
 #ifdef USE_WS5500
 // Startup Ethernet
 bool initEthernet()
@@ -72,6 +109,38 @@ bool initEthernet()
 #if !MESHTASTIC_EXCLUDE_WEBSERVER
        createSSLCert(); // For WebServer
 #endif
+        new concurrency::Periodic("EthConnect", ethNetworkConnectedPoll);
+        return true;
+    }
+
+    return false;
+}
+#endif
+
+#ifdef USE_CH390D
+// Startup Ethernet
+bool initEthernet()
+{
+    // Configure CH390
+    ch390_config_t ch390_conf = CH390_DEFAULT_CONFIG();
+    ch390_conf.spi_host = SPI3_HOST;
+    ch390_conf.spi_cs_gpio = ETH_CS_PIN;
+    ch390_conf.spi_sck_gpio = ETH_SCLK_PIN;
+    ch390_conf.spi_mosi_gpio = ETH_MOSI_PIN;
+    ch390_conf.spi_miso_gpio = ETH_MISO_PIN;
+    ch390_conf.int_gpio = ETH_INT_PIN;
+#ifdef ETH_RST_PIN
+    ch390_conf.reset_gpio = ETH_RST_PIN;
+#else
+    ch390_conf.reset_gpio = -1;
+#endif
+    ch390_conf.spi_clock_mhz = 20;
+    if ((config.network.eth_enabled) && (ETH.begin(ch390_conf))) {
+        WiFi.onEvent(WiFiEvent);
+#if !MESHTASTIC_EXCLUDE_WEBSERVER
+        createSSLCert(); // For WebServer
+#endif
+        new concurrency::Periodic("EthConnect", ethNetworkConnectedPoll);
        return true;
    }

@@ -234,7 +303,7 @@ bool isWifiAvailable()

    if (config.network.wifi_enabled && (config.network.wifi_ssid[0])) {
        return true;
-#ifdef USE_WS5500
+#if defined(USE_WS5500) || defined(USE_CH390D)
    } else if (config.network.eth_enabled) {
        return true;
 #endif
@@ -356,13 +425,13 @@ static void WiFiEvent(WiFiEvent_t event)
    case ARDUINO_EVENT_WIFI_STA_CONNECTED:
        LOG_INFO("Connected to access point");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, HIGH);
+        digitalWrite(WIFI_LED, LOW ^ WIFI_STATE_ON);
 #endif
        break;
    case ARDUINO_EVENT_WIFI_STA_DISCONNECTED:
        LOG_INFO("Disconnected from WiFi access point");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, LOW);
+        digitalWrite(WIFI_LED, HIGH ^ WIFI_STATE_ON);
 #endif
        if (!isReconnecting) {
            WiFi.disconnect(false, true);
@@ -413,13 +482,13 @@ static void WiFiEvent(WiFiEvent_t event)
    case ARDUINO_EVENT_WIFI_AP_START:
        LOG_INFO("WiFi access point started");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, HIGH);
+        digitalWrite(WIFI_LED, LOW ^ WIFI_STATE_ON);
 #endif
        break;
    case ARDUINO_EVENT_WIFI_AP_STOP:
        LOG_INFO("WiFi access point stopped");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, LOW);
+        digitalWrite(WIFI_LED, HIGH ^ WIFI_STATE_ON);
 #endif
        break;
    case ARDUINO_EVENT_WIFI_AP_STACONNECTED:
@@ -455,18 +524,18 @@ static void WiFiEvent(WiFiEvent_t event)
        LOG_INFO("Ethernet disconnected");
        break;
    case ARDUINO_EVENT_ETH_GOT_IP:
-#ifdef USE_WS5500
+#if defined(USE_WS5500) || defined(USE_CH390D)
        LOG_INFO("Obtained IP address: %s, %u Mbps, %s", ETH.localIP().toString().c_str(), ETH.linkSpeed(),
                 ETH.fullDuplex() ? "FULL_DUPLEX" : "HALF_DUPLEX");
-        onNetworkConnected();
+        ethNetworkConnectedPending = true;
 #endif
        break;
    case ARDUINO_EVENT_ETH_GOT_IP6:
-#ifdef USE_WS5500
+#if defined(USE_WS5500) || defined(USE_CH390D)
 #if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(3, 0, 0)
        LOG_INFO("Obtained Local IP6 address: %s", ETH.linkLocalIPv6().toString().c_str());
        LOG_INFO("Obtained GlobalIP6 address: %s", ETH.globalIPv6().toString().c_str());
-#else
+#elif defined(USE_WS5500)
        LOG_INFO("Obtained IP6 address: %s", ETH.localIPv6().toString().c_str());
 #endif
 #endif
@@ -26,7 +26,7 @@ bool isWifiAvailable();

 uint8_t getWifiDisconnectReason();

-#ifdef USE_WS5500
+#if defined(USE_WS5500) || defined(USE_CH390D)
 // Startup Ethernet
 bool initEthernet();
 #endif
@@ -1225,7 +1225,7 @@ void AdminModule::handleGetDeviceConnectionStatus(const meshtastic_MeshPacket &r
    }
 #endif

-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
    conn.has_ethernet = true;
    conn.ethernet.has_status = true;
    if (Ethernet.linkStatus() == LinkON) {
@@ -60,7 +60,7 @@ CannedMessageModule::CannedMessageModule()
    if ((this->splitConfiguredMessages() <= 0) && (cardkb_found.address == 0x00) && !INPUTBROKER_MATRIX_TYPE &&
        !CANNED_MESSAGE_MODULE_ENABLE) {
        LOG_INFO("CannedMessageModule: No messages are configured. Module is disabled");
-        this->runState = CANNED_MESSAGE_RUN_STATE_DISABLED;
+        this->updateState(CANNED_MESSAGE_RUN_STATE_DISABLED);
        disable();
    } else {
        LOG_INFO("CannedMessageModule is enabled");
@@ -94,8 +94,7 @@ void CannedMessageModule::LaunchWithDestination(NodeNum newDest, uint8_t newChan
    currentMessageIndex = selectDestination;

    // This triggers the canned message list
-    runState = CANNED_MESSAGE_RUN_STATE_ACTIVE;
-    requestFocus();
+    updateState(CANNED_MESSAGE_RUN_STATE_ACTIVE);
    UIFrameEvent e;
    e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
    notifyObservers(&e);
@@ -123,8 +122,7 @@ void CannedMessageModule::LaunchFreetextWithDestination(NodeNum newDest, uint8_t
    lastChannel = channel;
    lastDestSet = true;

-    runState = CANNED_MESSAGE_RUN_STATE_FREETEXT;
-    requestFocus();
+    updateState(CANNED_MESSAGE_RUN_STATE_FREETEXT);
    UIFrameEvent e;
    e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
    notifyObservers(&e);
@@ -324,11 +322,10 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)

    // Matrix keypad: If matrix key, trigger action select for canned message
    if (event->inputEvent == INPUT_BROKER_MATRIXKEY) {
-        runState = CANNED_MESSAGE_RUN_STATE_ACTION_SELECT;
+        updateState(CANNED_MESSAGE_RUN_STATE_ACTION_SELECT);
        payload = INPUT_BROKER_MATRIXKEY;
        currentMessageIndex = event->kbchar - 1;
        lastTouchMillis = millis();
-        requestFocus();
        return 1;
    }

@@ -375,8 +372,7 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)
        }
        // Printable char (ASCII) opens free text compose
        if (event->kbchar >= 32 && event->kbchar <= 126) {
-            runState = CANNED_MESSAGE_RUN_STATE_FREETEXT;
-            requestFocus();
+            updateState(CANNED_MESSAGE_RUN_STATE_FREETEXT);
            UIFrameEvent e;
            e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
            notifyObservers(&e);
@@ -399,6 +395,21 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)
    return 0;
 }

+void CannedMessageModule::updateState(cannedMessageModuleRunState newState)
+{
+    runState = newState;
+    if (runState == CANNED_MESSAGE_RUN_STATE_FREETEXT) {
+        inputBroker->menuMode =
+            false; // Allow any key input to be sent to the message composer instead of being interpreted as menu navigation
+    } else {
+        inputBroker->menuMode = true; // Re-enable menu navigation for destination selection
+    }
+    if (runState == CANNED_MESSAGE_RUN_STATE_ACTIVE || runState == CANNED_MESSAGE_RUN_STATE_FREETEXT ||
+        runState == CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION || runState == CANNED_MESSAGE_RUN_STATE_EMOTE_PICKER) {
+        requestFocus();
+    }
+}
+
 bool CannedMessageModule::isUpEvent(const InputEvent *event)
 {
    return event->inputEvent == INPUT_BROKER_UP ||
@@ -423,15 +434,14 @@ bool CannedMessageModule::handleTabSwitch(const InputEvent *event)
    if (event->kbchar != 0x09)
        return false;

-    runState = (runState == CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION) ? CANNED_MESSAGE_RUN_STATE_FREETEXT
-                                                                            : CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION;
+    updateState((runState == CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION) ? CANNED_MESSAGE_RUN_STATE_FREETEXT
+                                                                             : CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION);

    destIndex = 0;
    scrollIndex = 0;
    // RESTORE THIS!
    if (runState == CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION)
        updateDestinationSelectionList();
-    requestFocus();

    UIFrameEvent e;
    e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
@@ -537,7 +547,7 @@ int CannedMessageModule::handleDestinationSelectionInput(const InputEvent *event
            }
        }

-        runState = returnToCannedList ? CANNED_MESSAGE_RUN_STATE_ACTIVE : CANNED_MESSAGE_RUN_STATE_FREETEXT;
+        updateState(returnToCannedList ? CANNED_MESSAGE_RUN_STATE_ACTIVE : CANNED_MESSAGE_RUN_STATE_FREETEXT);
        returnToCannedList = false;
        screen->forceDisplay(true);
        return 1;
@@ -545,7 +555,7 @@ int CannedMessageModule::handleDestinationSelectionInput(const InputEvent *event

    // CANCEL
    if (event->inputEvent == INPUT_BROKER_CANCEL || event->inputEvent == INPUT_BROKER_ALT_LONG) {
-        runState = returnToCannedList ? CANNED_MESSAGE_RUN_STATE_ACTIVE : CANNED_MESSAGE_RUN_STATE_FREETEXT;
+        updateState(returnToCannedList ? CANNED_MESSAGE_RUN_STATE_ACTIVE : CANNED_MESSAGE_RUN_STATE_FREETEXT);
        returnToCannedList = false;
        searchQuery = "";

@@ -576,7 +586,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
    // === Handle Cancel key: go inactive, clear UI state ===
    if (runState != CANNED_MESSAGE_RUN_STATE_INACTIVE &&
        (event->inputEvent == INPUT_BROKER_CANCEL || event->inputEvent == INPUT_BROKER_ALT_LONG)) {
-        runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+        updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        freetext = "";
        cursor = 0;
        payload = 0;
@@ -594,10 +604,10 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo

    // Handle up/down navigation
    if (isUp && messagesCount > 0) {
-        runState = CANNED_MESSAGE_RUN_STATE_ACTION_UP;
+        updateState(CANNED_MESSAGE_RUN_STATE_ACTION_UP);
        handled = true;
    } else if (isDown && messagesCount > 0) {
-        runState = CANNED_MESSAGE_RUN_STATE_ACTION_DOWN;
+        updateState(CANNED_MESSAGE_RUN_STATE_ACTION_DOWN);
        handled = true;
    } else if (isSelect) {
        const char *current = messages[currentMessageIndex];
@@ -605,7 +615,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
        // === [Select Destination] triggers destination selection UI ===
        if (strcmp(current, "[Select Destination]") == 0) {
            returnToCannedList = true;
-            runState = CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION;
+            updateState(CANNED_MESSAGE_RUN_STATE_DESTINATION_SELECTION);
            destIndex = 0;
            scrollIndex = 0;
            updateDestinationSelectionList(); // Make sure list is fresh
@@ -616,7 +626,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
        // === [Exit] returns to the main/inactive screen ===
        if (strcmp(current, "[Exit]") == 0) {
            // Set runState to inactive so we return to main UI
-            runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+            updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
            currentMessageIndex = -1;

            // Notify UI to regenerate frame set and redraw
@@ -630,8 +640,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
        // === [Free Text] triggers the free text input (virtual keyboard) ===
 #if defined(USE_VIRTUAL_KEYBOARD)
        if (strcmp(current, "[-- Free Text --]") == 0) {
-            runState = CANNED_MESSAGE_RUN_STATE_FREETEXT;
-            requestFocus();
+            updateState(CANNED_MESSAGE_RUN_STATE_FREETEXT);
            UIFrameEvent e;
            e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
            notifyObservers(&e);
@@ -650,7 +659,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
                    if (!text.empty()) {
                        this->freetext = text.c_str();
                        this->payload = CANNED_MESSAGE_RUN_STATE_FREETEXT;
-                        runState = CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE;
+                        updateState(CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE);
                        currentMessageIndex = -1;

                        UIFrameEvent e;
@@ -667,7 +676,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
                        graphics::NotificationRenderer::resetBanner();

                        // Return to inactive state
-                        this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+                        this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
                        this->currentMessageIndex = -1;
                        this->freetext = "";
                        this->cursor = 0;
@@ -699,7 +708,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
            graphics::menuHandler::showConfirmationBanner("Send message?", [this, destNode, chan, current]() {
                this->sendText(destNode, chan, current, false);
                payload = runState;
-                runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+                this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
                currentMessageIndex = -1;

                // Notify UI to regenerate frame set and redraw
@@ -710,7 +719,7 @@ bool CannedMessageModule::handleMessageSelectorInput(const InputEvent *event, bo
            });
 #else
            payload = runState;
-            runState = CANNED_MESSAGE_RUN_STATE_ACTION_SELECT;
+            updateState(CANNED_MESSAGE_RUN_STATE_ACTION_SELECT);
 #endif
            // Do not immediately set runState; wait for confirmation
            handled = true;
@@ -736,7 +745,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
 #if defined(USE_VIRTUAL_KEYBOARD)
    // Cancel (dismiss freetext screen)
    if (event->inputEvent == INPUT_BROKER_LEFT) {
-        runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+        updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        freetext = "";
        cursor = 0;
        payload = 0;
@@ -782,7 +791,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
        }
        // Touch enter/submit
        else if (keyTapped == "↵") {
-            runState = CANNED_MESSAGE_RUN_STATE_ACTION_SELECT; // Send the message!
+            updateState(CANNED_MESSAGE_RUN_STATE_ACTION_SELECT); // Send the message!
            payload = CANNED_MESSAGE_RUN_STATE_FREETEXT;
            currentMessageIndex = -1;
            shift = false;
@@ -808,8 +817,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
    // ---- All hardware keys fall through to here (CardKB, physical, etc.) ----

    if (event->kbchar == INPUT_BROKER_MSG_EMOTE_LIST) {
-        runState = CANNED_MESSAGE_RUN_STATE_EMOTE_PICKER;
-        requestFocus();
+        updateState(CANNED_MESSAGE_RUN_STATE_EMOTE_PICKER);
        screen->forceDisplay();
        return true;
    }
@@ -826,7 +834,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)

        payload = CANNED_MESSAGE_RUN_STATE_FREETEXT;
        currentMessageIndex = -1;
-        runState = CANNED_MESSAGE_RUN_STATE_ACTION_SELECT;
+        updateState(CANNED_MESSAGE_RUN_STATE_ACTION_SELECT);
        lastTouchMillis = millis();
        runOnce();
        return true;
@@ -858,7 +866,7 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
    // Cancel (dismiss freetext screen)
    if (event->inputEvent == INPUT_BROKER_CANCEL || event->inputEvent == INPUT_BROKER_ALT_LONG ||
        (event->inputEvent == INPUT_BROKER_BACK && this->freetext.length() == 0)) {
-        runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+        updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        freetext = "";
        cursor = 0;
        payload = 0;
@@ -926,14 +934,14 @@ int CannedMessageModule::handleEmotePickerInput(const InputEvent *event)
            freetext = freetext.substring(0, cursor) + emoteInsert + freetext.substring(cursor);
        }
        cursor += emoteInsert.length();
-        runState = CANNED_MESSAGE_RUN_STATE_FREETEXT;
+        updateState(CANNED_MESSAGE_RUN_STATE_FREETEXT);
        screen->forceDisplay();
        return 1;
    }

    // Cancel returns to freetext
    if (event->inputEvent == INPUT_BROKER_CANCEL || event->inputEvent == INPUT_BROKER_ALT_LONG) {
-        runState = CANNED_MESSAGE_RUN_STATE_FREETEXT;
+        updateState(CANNED_MESSAGE_RUN_STATE_FREETEXT);
        screen->forceDisplay();
        return 1;
    }
@@ -1044,7 +1052,7 @@ int32_t CannedMessageModule::runOnce()
        } else {
            // Empty message, just go inactive
            LOG_INFO("Empty freetext detected in delayed processing, returning to inactive state");
-            this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+            this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        }

        UIFrameEvent e;
@@ -1061,7 +1069,7 @@ int32_t CannedMessageModule::runOnce()
         this->payload != CANNED_MESSAGE_RUN_STATE_FREETEXT) ||
        (this->runState == CANNED_MESSAGE_RUN_STATE_ACK_NACK_RECEIVED) ||
        (this->runState == CANNED_MESSAGE_RUN_STATE_MESSAGE_SELECTION)) {
-        this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+        this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        temporaryMessage = "";
        e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
        this->currentMessageIndex = -1;
@@ -1073,7 +1081,7 @@ int32_t CannedMessageModule::runOnce()
    else if (this->runState == CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE && this->payload == 0) {
        // This happens after virtual keyboard message sending is complete
        LOG_INFO("Virtual keyboard message sending completed, returning to inactive state");
-        this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+        this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        temporaryMessage = "";
        e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
        this->currentMessageIndex = -1;
@@ -1087,7 +1095,7 @@ int32_t CannedMessageModule::runOnce()
        this->currentMessageIndex = -1;
        this->freetext = "";
        this->cursor = 0;
-        this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+        this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);

        // Clean up virtual keyboard if it exists during timeout
        if (graphics::NotificationRenderer::virtualKeyboard) {
@@ -1103,17 +1111,17 @@ int32_t CannedMessageModule::runOnce()
        if (this->payload == 0) {
            // [Exit] button pressed - return to inactive state
            LOG_INFO("Processing [Exit] action - returning to inactive state");
-            this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+            this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
        } else if (this->payload == CANNED_MESSAGE_RUN_STATE_FREETEXT) {
            if (this->freetext.length() > 0) {
                sendText(this->dest, this->channel, this->freetext.c_str(), true);
-                this->runState = CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE;
+                this->updateState(CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE);
            } else {
-                this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+                this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
            }
        } else {
            if (strcmp(this->messages[this->currentMessageIndex], "[Select Destination]") == 0) {
-                this->runState = CANNED_MESSAGE_RUN_STATE_ACTIVE;
+                this->updateState(CANNED_MESSAGE_RUN_STATE_ACTIVE);
                return INT32_MAX;
            }
            if ((this->messagesCount > this->currentMessageIndex) && (strlen(this->messages[this->currentMessageIndex]) > 0)) {
@@ -1122,9 +1130,9 @@ int32_t CannedMessageModule::runOnce()
                } else {
                    sendText(this->dest, this->channel, this->messages[this->currentMessageIndex], true);
                }
-                this->runState = CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE;
+                this->updateState(CANNED_MESSAGE_RUN_STATE_SENDING_ACTIVE);
            } else {
-                this->runState = CANNED_MESSAGE_RUN_STATE_INACTIVE;
+                this->updateState(CANNED_MESSAGE_RUN_STATE_INACTIVE);
            }
        }
        this->currentMessageIndex = -1;
@@ -1144,13 +1152,13 @@ int32_t CannedMessageModule::runOnce()
        }
        this->currentMessageIndex = selectDestination;
        e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
-        this->runState = CANNED_MESSAGE_RUN_STATE_ACTIVE;
+        this->updateState(CANNED_MESSAGE_RUN_STATE_ACTIVE);
    } else if (this->runState == CANNED_MESSAGE_RUN_STATE_ACTION_UP) {
        if (this->messagesCount > 0) {
            this->currentMessageIndex = getPrevIndex();
            this->freetext = "";
            this->cursor = 0;
-            this->runState = CANNED_MESSAGE_RUN_STATE_ACTIVE;
+            this->updateState(CANNED_MESSAGE_RUN_STATE_ACTIVE);
            LOG_DEBUG("MOVE UP (%d):%s", this->currentMessageIndex, this->getCurrentMessage());
        }
    } else if (this->runState == CANNED_MESSAGE_RUN_STATE_ACTION_DOWN) {
@@ -1158,7 +1166,7 @@ int32_t CannedMessageModule::runOnce()
            this->currentMessageIndex = this->getNextIndex();
            this->freetext = "";
            this->cursor = 0;
-            this->runState = CANNED_MESSAGE_RUN_STATE_ACTIVE;
+            this->updateState(CANNED_MESSAGE_RUN_STATE_ACTIVE);
            LOG_DEBUG("MOVE DOWN (%d):%s", this->currentMessageIndex, this->getCurrentMessage());
        }
    } else if (this->runState == CANNED_MESSAGE_RUN_STATE_FREETEXT || this->runState == CANNED_MESSAGE_RUN_STATE_ACTIVE) {
@@ -2156,7 +2164,7 @@ ProcessMessage CannedMessageModule::handleReceived(const meshtastic_MeshPacket &
            UIFrameEvent e;
            e.action = UIFrameEvent::Action::REGENERATE_FRAMESET;
            requestFocus();
-            this->runState = CANNED_MESSAGE_RUN_STATE_ACK_NACK_RECEIVED;
+            this->updateState(CANNED_MESSAGE_RUN_STATE_ACK_NACK_RECEIVED);

            // Decode the routing response
            meshtastic_Routing decoded = meshtastic_Routing_init_default;
@@ -192,6 +192,8 @@ class CannedMessageModule : public SinglePortModule, public Observable<const UIF
    int charSet = 0; // 0=ABC, 1=123
 #endif

+    void updateState(cannedMessageModuleRunState);
+
    bool isUpEvent(const InputEvent *event);
    bool isDownEvent(const InputEvent *event);
    bool isSelectEvent(const InputEvent *event);
@@ -13,6 +13,8 @@
 #include "input/TrackballInterruptImpl1.h"
 #endif

+#include "modules/StatusLEDModule.h"
+
 #if !MESHTASTIC_EXCLUDE_I2C
 #include "input/cardKbI2cImpl.h"
 #endif
@@ -119,6 +121,10 @@ void setupModules()
        buzzerFeedbackThread = new BuzzerFeedbackThread();
    }
 #endif
+#if defined(LED_CHARGE) || defined(LED_PAIRING)
+    statusLEDModule = new StatusLEDModule();
+#endif
+
 #if !MESHTASTIC_EXCLUDE_ADMIN
    adminModule = new AdminModule();
 #endif
@@ -64,7 +64,8 @@ SerialModule *serialModule;
 SerialModuleRadio *serialModuleRadio;

 #if defined(TTGO_T_ECHO) || defined(CANARYONE) || defined(MESHLINK) || defined(ELECROW_ThinkNode_M1) ||                          \
-    defined(ELECROW_ThinkNode_M5) || defined(HELTEC_MESH_SOLAR) || defined(T_ECHO_LITE)
+    defined(ELECROW_ThinkNode_M4) || defined(ELECROW_ThinkNode_M5) || defined(HELTEC_MESH_SOLAR) || defined(T_ECHO_LITE) ||      \
+    defined(ELECROW_ThinkNode_M3) || defined(MUZI_BASE)
 SerialModule::SerialModule() : StreamAPI(&Serial), concurrency::OSThread("Serial")
 {
    api_type = TYPE_SERIAL;
@@ -204,7 +205,8 @@ int32_t SerialModule::runOnce()
                Serial.setTimeout(moduleConfig.serial.timeout > 0 ? moduleConfig.serial.timeout : TIMEOUT);
            }
 #elif !defined(TTGO_T_ECHO) && !defined(T_ECHO_LITE) && !defined(CANARYONE) && !defined(MESHLINK) &&                             \
-    !defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M5)
+    !defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M3) && !defined(ELECROW_ThinkNode_M4) &&                        \
+    !defined(ELECROW_ThinkNode_M5) && !defined(MUZI_BASE)
            if (moduleConfig.serial.rxd && moduleConfig.serial.txd) {
 #ifdef ARCH_RP2040
                Serial2.setFIFOSize(RX_BUFFER);
@@ -261,7 +263,8 @@ int32_t SerialModule::runOnce()
            }

 #if !defined(TTGO_T_ECHO) && !defined(T_ECHO_LITE) && !defined(CANARYONE) && !defined(MESHLINK) &&                               \
-    !defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M5)
+    !defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M3) && !defined(ELECROW_ThinkNode_M4) &&                        \
+    !defined(ELECROW_ThinkNode_M5) && !defined(MUZI_BASE)
            else if ((moduleConfig.serial.mode == meshtastic_ModuleConfig_SerialConfig_Serial_Mode_WS85)) {
                processWXSerial();

@@ -536,7 +539,10 @@ ParsedLine parseLine(const char *line)
 void SerialModule::processWXSerial()
 {
 #if !defined(TTGO_T_ECHO) && !defined(T_ECHO_LITE) && !defined(CANARYONE) && !defined(CONFIG_IDF_TARGET_ESP32C6) &&              \
-    !defined(MESHLINK) && !defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M5) && !defined(ARCH_STM32WL)
+    !defined(MESHLINK) && !defined(ELECROW_ThinkNode_M1) && !defined(ELECROW_ThinkNode_M3) && \ 
+    !defined(ELECROW_ThinkNode_M4) &&                                                                                            \
+    !defined(ELECROW_ThinkNode_M5) && !defined(ARCH_STM32WL) && !defined(MUZI_BASE)
+
    static unsigned int lastAveraged = 0;
    static unsigned int averageIntervalMillis = 300000; // 5 minutes hard coded.
    static double dir_sum_sin = 0;
@@ -0,0 +1,179 @@
+#include "StatusLEDModule.h"
+#include "MeshService.h"
+#include "configuration.h"
+#include <Arduino.h>
+
+/*
+StatusLEDModule manages the device's status LEDs, updating their states based on power and Bluetooth status.
+It reflects charging, charged, discharging, and Bluetooth connection states using the appropriate LEDs.
+*/
+StatusLEDModule *statusLEDModule;
+
+StatusLEDModule::StatusLEDModule() : concurrency::OSThread("StatusLEDModule")
+{
+    bluetoothStatusObserver.observe(&bluetoothStatus->onNewStatus);
+    powerStatusObserver.observe(&powerStatus->onNewStatus);
+    if (inputBroker)
+        inputObserver.observe(inputBroker);
+}
+
+int StatusLEDModule::handleStatusUpdate(const meshtastic::Status *arg)
+{
+    switch (arg->getStatusType()) {
+    case STATUS_TYPE_POWER: {
+        meshtastic::PowerStatus *powerStatus = (meshtastic::PowerStatus *)arg;
+        if (powerStatus->getHasUSB() || powerStatus->getIsCharging()) {
+            power_state = charging;
+            if (powerStatus->getBatteryChargePercent() >= 100) {
+                power_state = charged;
+            }
+        } else {
+            if (powerStatus->getBatteryChargePercent() > 5) {
+                power_state = discharging;
+            } else {
+                power_state = critical;
+            }
+        }
+        break;
+    }
+    case STATUS_TYPE_BLUETOOTH: {
+        meshtastic::BluetoothStatus *bluetoothStatus = (meshtastic::BluetoothStatus *)arg;
+        switch (bluetoothStatus->getConnectionState()) {
+        case meshtastic::BluetoothStatus::ConnectionState::DISCONNECTED: {
+            ble_state = unpaired;
+            PAIRING_LED_starttime = millis();
+            break;
+        }
+        case meshtastic::BluetoothStatus::ConnectionState::PAIRING: {
+            ble_state = pairing;
+            PAIRING_LED_starttime = millis();
+            break;
+        }
+        case meshtastic::BluetoothStatus::ConnectionState::CONNECTED: {
+            if (ble_state != connected) {
+                ble_state = connected;
+                PAIRING_LED_starttime = millis();
+            }
+        }
+        }
+
+        break;
+    }
+    }
+    return 0;
+};
+
+int StatusLEDModule::handleInputEvent(const InputEvent *event)
+{
+    lastUserbuttonTime = millis();
+    return 0;
+}
+
+int32_t StatusLEDModule::runOnce()
+{
+    my_interval = 1000;
+
+    if (power_state == charging) {
+        CHARGE_LED_state = !CHARGE_LED_state;
+    } else if (power_state == charged) {
+        CHARGE_LED_state = LED_STATE_ON;
+    } else if (power_state == critical) {
+        if (POWER_LED_starttime + 30000 < millis() && !doing_fast_blink) {
+            doing_fast_blink = true;
+            POWER_LED_starttime = millis();
+        }
+        if (doing_fast_blink) {
+            PAIRING_LED_state = LED_STATE_OFF;
+            CHARGE_LED_state = !CHARGE_LED_state;
+            my_interval = 250;
+            if (POWER_LED_starttime + 2000 < millis()) {
+                doing_fast_blink = false;
+            }
+        } else {
+            CHARGE_LED_state = LED_STATE_OFF;
+        }
+
+    } else {
+#ifdef ELECROW_ThinkNode_M6
+        if (!config.device.led_heartbeat_disabled) {
+            if (doing_fast_blink) {
+                CHARGE_LED_state = LED_STATE_OFF;
+                doing_fast_blink = false;
+                my_interval = 999;
+            } else {
+                CHARGE_LED_state = LED_STATE_ON;
+                doing_fast_blink = true;
+                my_interval = 1;
+            }
+        }
+#else
+        CHARGE_LED_state = LED_STATE_OFF;
+#endif
+    }
+
+// If we want a LED to be dedicated to the simple hearbeat, we can use that instead of the charge LED
+#if defined(LED_HEARTBEAT)
+    if (!config.device.led_heartbeat_disabled) {
+        if (HEARTBEAT_LED_state == LED_STATE_ON) {
+            HEARTBEAT_LED_state = LED_STATE_OFF;
+            my_interval = 999;
+        } else {
+            HEARTBEAT_LED_state = LED_STATE_ON;
+            my_interval = 1;
+        }
+        digitalWrite(LED_HEARTBEAT, HEARTBEAT_LED_state);
+    }
+#endif
+    if (!config.bluetooth.enabled || PAIRING_LED_starttime + 30 * 1000 < millis() || doing_fast_blink) {
+        PAIRING_LED_state = LED_STATE_OFF;
+    } else if (ble_state == unpaired) {
+        if (slowTrack) {
+            PAIRING_LED_state = !PAIRING_LED_state;
+            slowTrack = false;
+        } else {
+            slowTrack = true;
+        }
+    } else if (ble_state == pairing) {
+        PAIRING_LED_state = !PAIRING_LED_state;
+    } else {
+        PAIRING_LED_state = LED_STATE_ON;
+    }
+
+    bool chargeIndicatorLED1 = LED_STATE_OFF;
+    bool chargeIndicatorLED2 = LED_STATE_OFF;
+    bool chargeIndicatorLED3 = LED_STATE_OFF;
+    bool chargeIndicatorLED4 = LED_STATE_OFF;
+    if (lastUserbuttonTime + 10 * 1000 > millis() || CHARGE_LED_state == LED_STATE_ON) {
+        // should this be off at very low percentages?
+        chargeIndicatorLED1 = LED_STATE_ON;
+        if (powerStatus && powerStatus->getBatteryChargePercent() >= 25)
+            chargeIndicatorLED2 = LED_STATE_ON;
+        if (powerStatus && powerStatus->getBatteryChargePercent() >= 50)
+            chargeIndicatorLED3 = LED_STATE_ON;
+        if (powerStatus && powerStatus->getBatteryChargePercent() >= 75)
+            chargeIndicatorLED4 = LED_STATE_ON;
+    }
+
+#ifdef LED_CHARGE
+    digitalWrite(LED_CHARGE, CHARGE_LED_state);
+#endif
+    // digitalWrite(green_LED_PIN, LED_STATE_OFF);
+#ifdef LED_PAIRING
+    digitalWrite(LED_PAIRING, PAIRING_LED_state);
+#endif
+
+#ifdef Battery_LED_1
+    digitalWrite(Battery_LED_1, chargeIndicatorLED1);
+#endif
+#ifdef Battery_LED_2
+    digitalWrite(Battery_LED_2, chargeIndicatorLED2);
+#endif
+#ifdef Battery_LED_3
+    digitalWrite(Battery_LED_3, chargeIndicatorLED3);
+#endif
+#ifdef Battery_LED_4
+    digitalWrite(Battery_LED_4, chargeIndicatorLED4);
+#endif
+
+    return (my_interval);
+}
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "BluetoothStatus.h"
+#include "MeshModule.h"
+#include "PowerStatus.h"
+#include "concurrency/OSThread.h"
+#include "configuration.h"
+#include "input/InputBroker.h"
+#include <Arduino.h>
+#include <functional>
+
+class StatusLEDModule : private concurrency::OSThread
+{
+    bool slowTrack = false;
+
+  public:
+    StatusLEDModule();
+
+    int handleStatusUpdate(const meshtastic::Status *);
+
+    int handleInputEvent(const InputEvent *arg);
+
+  protected:
+    unsigned int my_interval = 1000; // interval in millisconds
+    virtual int32_t runOnce() override;
+
+    CallbackObserver<StatusLEDModule, const meshtastic::Status *> bluetoothStatusObserver =
+        CallbackObserver<StatusLEDModule, const meshtastic::Status *>(this, &StatusLEDModule::handleStatusUpdate);
+    CallbackObserver<StatusLEDModule, const meshtastic::Status *> powerStatusObserver =
+        CallbackObserver<StatusLEDModule, const meshtastic::Status *>(this, &StatusLEDModule::handleStatusUpdate);
+    CallbackObserver<StatusLEDModule, const InputEvent *> inputObserver =
+        CallbackObserver<StatusLEDModule, const InputEvent *>(this, &StatusLEDModule::handleInputEvent);
+
+  private:
+    bool CHARGE_LED_state = LED_STATE_OFF;
+    bool PAIRING_LED_state = LED_STATE_OFF;
+#if defined(LED_HEARTBEAT)
+    bool HEARTBEAT_LED_state = LED_STATE_OFF;
+#endif
+
+    uint32_t PAIRING_LED_starttime = 0;
+    uint32_t lastUserbuttonTime = 0;
+    uint32_t POWER_LED_starttime = 0;
+    bool doing_fast_blink = false;
+
+    enum PowerState { discharging, charging, charged, critical };
+
+    PowerState power_state = discharging;
+
+    enum BLEState { unpaired, pairing, connected };
+
+    BLEState ble_state = unpaired;
+};
+
+extern StatusLEDModule *statusLEDModule;
@@ -112,6 +112,17 @@ int SystemCommandsModule::handleInputEvent(const InputEvent *event)
    case INPUT_BROKER_SHUTDOWN:
        shutdownAtMsec = millis();
        return true;
+    // factory reset
+    case INPUT_BROKER_FACTORY_RST:
+        disableBluetooth();
+        LOG_INFO("Initiate full factory reset");
+        nodeDB->factoryReset(true);
+        // reboot(DEFAULT_REBOOT_SECONDS);
+        LOG_INFO("Reboot in %d seconds", DEFAULT_REBOOT_SECONDS);
+        if (screen)
+            screen->showSimpleBanner("Rebooting...", 0); // stays on screen
+        rebootAtMsec = (DEFAULT_REBOOT_SECONDS < 0) ? 0 : (millis() + DEFAULT_REBOOT_SECONDS * 1000);
+        return true;

    default:
        // No other input events handled here
@@ -35,7 +35,7 @@ bool AHT10Sensor::getMetrics(meshtastic_Telemetry *measurement)
    // prefer other sensors like bmp280, bmp3xx
    if (!measurement->variant.environment_metrics.has_temperature) {
        measurement->variant.environment_metrics.has_temperature = true;
-        measurement->variant.environment_metrics.temperature = temp.temperature;
+        measurement->variant.environment_metrics.temperature = temp.temperature + AHT10_TEMP_OFFSET;
    }

    if (!measurement->variant.environment_metrics.has_relative_humidity) {
@@ -6,6 +6,10 @@

 #if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && __has_include(<Adafruit_AHTX0.h>)

+#ifndef AHT10_TEMP_OFFSET
+#define AHT10_TEMP_OFFSET 0
+#endif
+
 #include "../mesh/generated/meshtastic/telemetry.pb.h"
 #include "TelemetrySensor.h"
 #include <Adafruit_AHTX0.h>
@@ -10,6 +10,9 @@
 #ifdef HAS_BMA423
 #include "BMA423Sensor.h"
 #endif
+#ifdef HAS_BMI270
+#include "BMI270Sensor.h"
+#endif
 #include "BMM150Sensor.h"
 #include "BMX160Sensor.h"
 #include "ICM20948Sensor.h"
@@ -111,6 +114,11 @@ class AccelerometerThread : public concurrency::OSThread
        case ScanI2C::DeviceType::BMM150:
            sensor = new BMM150Sensor(device);
            break;
+#ifdef HAS_BMI270
+        case ScanI2C::DeviceType::BMI270:
+            sensor = new BMI270Sensor(device);
+            break;
+#endif
 #ifdef HAS_QMA6100P
        case ScanI2C::DeviceType::QMA6100P:
            sensor = new QMA6100PSensor(device);
@@ -0,0 +1,605 @@
+#include "BMI270Sensor.h"
+
+#if !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_I2C && defined(HAS_BMI270)
+
+#include <pgmspace.h>
+
+// BMI270 registers used
+#define BMI270_REG_ACC_X_LSB 0x0C
+#define BMI270_REG_INTERNAL_STATUS 0x21
+#define BMI270_REG_ACC_CONF 0x40
+#define BMI270_REG_ACC_RANGE 0x41
+#define BMI270_REG_INIT_CTRL 0x59
+#define BMI270_REG_INIT_ADDR_0 0x5B
+#define BMI270_REG_INIT_ADDR_1 0x5C
+#define BMI270_REG_INIT_DATA 0x5E
+#define BMI270_REG_PWR_CONF 0x7C
+#define BMI270_REG_PWR_CTRL 0x7D
+#define BMI270_REG_CMD 0x7E
+
+// Commands and configuration values
+#define BMI270_CMD_SOFTRESET 0xB6
+#define BMI270_PWR_CONF_ADV_POWER_SAVE_DISABLED 0x00
+#define BMI270_PWR_CTRL_ACC_EN 0x04
+#define BMI270_ACC_ODR_50HZ 0x07
+#define BMI270_ACC_BWP_NORMAL 0x20
+#define BMI270_ACC_FILTER_PERF 0x80
+#define BMI270_ACC_RANGE_2G 0x00
+#define BMI270_INIT_OK 0x01
+
+// BMI270 config file - 8192 bytes from official Bosch BMI270 API
+static const uint8_t bmi270_config_file[] PROGMEM = {
+    0xc8, 0x2e, 0x00, 0x2e, 0x80, 0x2e, 0x3d, 0xb1, 0xc8, 0x2e, 0x00, 0x2e, 0x80, 0x2e, 0x91, 0x03, 0x80, 0x2e, 0xbc, 0xb0, 0x80,
+    0x2e, 0xa3, 0x03, 0xc8, 0x2e, 0x00, 0x2e, 0x80, 0x2e, 0x00, 0xb0, 0x50, 0x30, 0x21, 0x2e, 0x59, 0xf5, 0x10, 0x30, 0x21, 0x2e,
+    0x6a, 0xf5, 0x80, 0x2e, 0x3b, 0x03, 0x00, 0x00, 0x00, 0x00, 0x08, 0x19, 0x01, 0x00, 0x22, 0x00, 0x75, 0x00, 0x00, 0x10, 0x00,
+    0x10, 0xd1, 0x00, 0xb3, 0x43, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1,
+    0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80,
+    0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e,
+    0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00,
+    0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1,
+    0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80,
+    0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e,
+    0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00,
+    0xc1, 0x80, 0x2e, 0x00, 0xc1, 0xe0, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+    0x19, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0xe0, 0xaa, 0x38, 0x05, 0xe0, 0x90, 0x30, 0xfa, 0x00,
+    0x96, 0x00, 0x4b, 0x09, 0x11, 0x00, 0x11, 0x00, 0x02, 0x00, 0x2d, 0x01, 0xd4, 0x7b, 0x3b, 0x01, 0xdb, 0x7a, 0x04, 0x00, 0x3f,
+    0x7b, 0xcd, 0x6c, 0xc3, 0x04, 0x85, 0x09, 0xc3, 0x04, 0xec, 0xe6, 0x0c, 0x46, 0x01, 0x00, 0x27, 0x00, 0x19, 0x00, 0x96, 0x00,
+    0xa0, 0x00, 0x01, 0x00, 0x0c, 0x00, 0xf0, 0x3c, 0x00, 0x01, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x32,
+    0x00, 0x05, 0x00, 0xee, 0x06, 0x04, 0x00, 0xc8, 0x00, 0x00, 0x00, 0x04, 0x00, 0xa8, 0x05, 0xee, 0x06, 0x00, 0x04, 0xbc, 0x02,
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+    0x86, 0xeb, 0x7f, 0x41, 0x33, 0x22, 0x30, 0x98, 0x2e, 0xc2, 0xc4, 0xd3, 0x6f, 0xf4, 0x30, 0xdc, 0x09, 0x47, 0x58, 0xc2, 0x6f,
+    0x94, 0x09, 0xeb, 0x58, 0x6a, 0xbb, 0xdc, 0x08, 0xb4, 0xb9, 0xb1, 0xbd, 0xe9, 0x5a, 0x95, 0x08, 0x21, 0xbd, 0xf6, 0xbf, 0x77,
+    0x0b, 0x51, 0xbe, 0xf1, 0x6f, 0xeb, 0x6f, 0x52, 0x42, 0x54, 0x42, 0xc0, 0x2e, 0x43, 0x42, 0xc0, 0x5f, 0x50, 0x50, 0xf5, 0x50,
+    0x31, 0x30, 0x11, 0x42, 0xfb, 0x7f, 0x7b, 0x30, 0x0b, 0x42, 0x11, 0x30, 0x02, 0x80, 0x23, 0x33, 0x01, 0x42, 0x03, 0x00, 0x07,
+    0x2e, 0x80, 0x03, 0x05, 0x2e, 0xd3, 0x00, 0x23, 0x52, 0xe2, 0x7f, 0xd3, 0x7f, 0xc0, 0x7f, 0x98, 0x2e, 0xb6, 0x0e, 0xd1, 0x6f,
+    0x08, 0x0a, 0x1a, 0x25, 0x7b, 0x86, 0xd0, 0x7f, 0x01, 0x33, 0x12, 0x30, 0x98, 0x2e, 0xc2, 0xc4, 0xd1, 0x6f, 0x08, 0x0a, 0x00,
+    0xb2, 0x0d, 0x2f, 0xe3, 0x6f, 0x01, 0x2e, 0x80, 0x03, 0x51, 0x30, 0xc7, 0x86, 0x23, 0x2e, 0x21, 0xf2, 0x08, 0xbc, 0xc0, 0x42,
+    0x98, 0x2e, 0xa5, 0xb7, 0x00, 0x2e, 0x00, 0x2e, 0xd0, 0x2e, 0xb0, 0x6f, 0x0b, 0xb8, 0x03, 0x2e, 0x1b, 0x00, 0x08, 0x1a, 0xb0,
+    0x7f, 0x70, 0x30, 0x04, 0x2f, 0x21, 0x2e, 0x21, 0xf2, 0x00, 0x2e, 0x00, 0x2e, 0xd0, 0x2e, 0x98, 0x2e, 0x6d, 0xc0, 0x98, 0x2e,
+    0x5d, 0xc0, 0xed, 0x50, 0x98, 0x2e, 0x44, 0xcb, 0xef, 0x50, 0x98, 0x2e, 0x46, 0xc3, 0xf1, 0x50, 0x98, 0x2e, 0x53, 0xc7, 0x35,
+    0x50, 0x98, 0x2e, 0x64, 0xcf, 0x10, 0x30, 0x98, 0x2e, 0xdc, 0x03, 0x20, 0x26, 0xc0, 0x6f, 0x02, 0x31, 0x12, 0x42, 0xab, 0x33,
+    0x0b, 0x42, 0x37, 0x80, 0x01, 0x30, 0x01, 0x42, 0xf3, 0x37, 0xf7, 0x52, 0xfb, 0x50, 0x44, 0x40, 0xa2, 0x0a, 0x42, 0x42, 0x8b,
+    0x31, 0x09, 0x2e, 0x5e, 0xf7, 0xf9, 0x54, 0xe3, 0x08, 0x83, 0x42, 0x1b, 0x42, 0x23, 0x33, 0x4b, 0x00, 0xbc, 0x84, 0x0b, 0x40,
+    0x33, 0x30, 0x83, 0x42, 0x0b, 0x42, 0xe0, 0x7f, 0xd1, 0x7f, 0x98, 0x2e, 0x58, 0xb7, 0xd1, 0x6f, 0x80, 0x30, 0x40, 0x42, 0x03,
+    0x30, 0xe0, 0x6f, 0xf3, 0x54, 0x04, 0x30, 0x00, 0x2e, 0x00, 0x2e, 0x01, 0x89, 0x62, 0x0e, 0xfa, 0x2f, 0x43, 0x42, 0x11, 0x30,
+    0xfb, 0x6f, 0xc0, 0x2e, 0x01, 0x42, 0xb0, 0x5f, 0xc1, 0x4a, 0x00, 0x00, 0x6d, 0x57, 0x00, 0x00, 0x77, 0x8e, 0x00, 0x00, 0xe0,
+    0xff, 0xff, 0xff, 0xd3, 0xff, 0xff, 0xff, 0xe5, 0xff, 0xff, 0xff, 0xee, 0xe1, 0xff, 0xff, 0x7c, 0x13, 0x00, 0x00, 0x46, 0xe6,
+    0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x2e, 0x00,
+    0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1,
+    0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80,
+    0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e,
+    0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00,
+    0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1,
+    0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80,
+    0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e,
+    0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00,
+    0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1,
+    0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80,
+    0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e, 0x00, 0xc1, 0x80, 0x2e,
+    0x00, 0xc1};
+
+#define BMI270_CONFIG_FILE_SIZE sizeof(bmi270_config_file)
+
+BMI270Sensor::BMI270Sensor(ScanI2C::FoundDevice foundDevice) : MotionSensor::MotionSensor(foundDevice)
+{
+    if (foundDevice.address.port == ScanI2C::I2CPort::WIRE1) {
+#ifdef I2C_SDA1
+        wire = &Wire1;
+#else
+        wire = &Wire;
+#endif
+    } else {
+        wire = &Wire;
+    }
+}
+
+bool BMI270Sensor::writeRegister(uint8_t reg, uint8_t value)
+{
+    wire->beginTransmission(deviceAddress());
+    wire->write(reg);
+    wire->write(value);
+    return wire->endTransmission() == 0;
+}
+
+bool BMI270Sensor::writeRegisters(uint8_t reg, const uint8_t *data, size_t len)
+{
+    wire->beginTransmission(deviceAddress());
+    wire->write(reg);
+    for (size_t i = 0; i < len; i++) {
+        wire->write(data[i]);
+    }
+    return wire->endTransmission() == 0;
+}
+
+uint8_t BMI270Sensor::readRegister(uint8_t reg)
+{
+    wire->beginTransmission(deviceAddress());
+    wire->write(reg);
+    wire->endTransmission(false);
+    wire->requestFrom(deviceAddress(), (uint8_t)1);
+    if (wire->available()) {
+        return wire->read();
+    }
+    return 0;
+}
+
+bool BMI270Sensor::readRegisters(uint8_t reg, uint8_t *data, size_t len)
+{
+    wire->beginTransmission(deviceAddress());
+    wire->write(reg);
+    wire->endTransmission(false);
+    size_t bytesRead = wire->requestFrom(deviceAddress(), (uint8_t)len);
+    if (bytesRead != len) {
+        // Read any available bytes to keep the bus state clean, but report failure.
+        for (size_t i = 0; i < bytesRead && wire->available(); i++) {
+            data[i] = wire->read();
+        }
+        return false;
+    }
+
+    for (size_t i = 0; i < len && wire->available(); i++) {
+        data[i] = wire->read();
+    }
+    return true;
+}
+
+bool BMI270Sensor::uploadConfigFile()
+{
+    if (!writeRegister(BMI270_REG_INIT_CTRL, 0x00))
+        return false;
+
+    const size_t chunkSize = 32;
+    size_t bytesWritten = 0;
+
+    while (bytesWritten < BMI270_CONFIG_FILE_SIZE) {
+        size_t remaining = BMI270_CONFIG_FILE_SIZE - bytesWritten;
+        size_t toWrite = (remaining < chunkSize) ? remaining : chunkSize;
+
+        // Set address in word units before each chunk
+        uint16_t wordAddr = bytesWritten / 2;
+        if (!writeRegister(BMI270_REG_INIT_ADDR_0, (uint8_t)(wordAddr & 0x0F)))
+            return false;
+        if (!writeRegister(BMI270_REG_INIT_ADDR_1, (uint8_t)(wordAddr >> 4)))
+            return false;
+
+        wire->beginTransmission(deviceAddress());
+        wire->write(BMI270_REG_INIT_DATA);
+        for (size_t i = 0; i < toWrite; i++) {
+            wire->write(pgm_read_byte(&bmi270_config_file[bytesWritten + i]));
+        }
+        if (wire->endTransmission() != 0)
+            return false;
+
+        bytesWritten += toWrite;
+    }
+
+    if (!writeRegister(BMI270_REG_INIT_CTRL, 0x01))
+        return false;
+
+    delay(50);
+
+    for (int i = 0; i < 10; i++) {
+        uint8_t status = readRegister(BMI270_REG_INTERNAL_STATUS);
+        if ((status & 0x0F) == BMI270_INIT_OK)
+            return true;
+        delay(20);
+    }
+
+    LOG_WARN("BMI270 status=0x%02X", readRegister(BMI270_REG_INTERNAL_STATUS));
+    return false;
+}
+
+bool BMI270Sensor::init()
+{
+    delay(10);
+    writeRegister(BMI270_REG_CMD, BMI270_CMD_SOFTRESET);
+    delay(50);
+
+    if (!writeRegister(BMI270_REG_PWR_CONF, BMI270_PWR_CONF_ADV_POWER_SAVE_DISABLED))
+        return false;
+    delay(2);
+
+    if (!uploadConfigFile()) {
+        LOG_WARN("BMI270 config failed");
+        return false;
+    }
+
+    uint8_t accConf = BMI270_ACC_ODR_50HZ | BMI270_ACC_BWP_NORMAL | BMI270_ACC_FILTER_PERF;
+    if (!writeRegister(BMI270_REG_ACC_CONF, accConf) || !writeRegister(BMI270_REG_ACC_RANGE, BMI270_ACC_RANGE_2G) ||
+        !writeRegister(BMI270_REG_PWR_CTRL, BMI270_PWR_CTRL_ACC_EN))
+        return false;
+
+    delay(50);
+    initialized = true;
+    return true;
+}
+
+int32_t BMI270Sensor::runOnce()
+{
+    if (!initialized) {
+        return MOTION_SENSOR_CHECK_INTERVAL_MS;
+    }
+
+    // Read accelerometer data (6 bytes)
+    uint8_t data[6];
+    if (!readRegisters(BMI270_REG_ACC_X_LSB, data, 6)) {
+        return MOTION_SENSOR_CHECK_INTERVAL_MS;
+    }
+
+    // Convert to 16-bit signed values
+    int16_t x = (int16_t)((data[1] << 8) | data[0]);
+    int16_t y = (int16_t)((data[3] << 8) | data[2]);
+    int16_t z = (int16_t)((data[5] << 8) | data[4]);
+
+    if (!hasBaseline) {
+        prevX = x;
+        prevY = y;
+        prevZ = z;
+        hasBaseline = true;
+        return MOTION_SENSOR_CHECK_INTERVAL_MS;
+    }
+
+    // Calculate change in acceleration
+    int16_t deltaX = abs(x - prevX);
+    int16_t deltaY = abs(y - prevY);
+    int16_t deltaZ = abs(z - prevZ);
+
+    // Update baseline with low-pass filter
+    prevX = (prevX * 9 + x) / 10;
+    prevY = (prevY * 9 + y) / 10;
+    prevZ = (prevZ * 9 + z) / 10;
+
+    // Check for significant motion (~0.2g at 2g range)
+    const int16_t threshold = 3200;
+    if (deltaX > threshold || deltaY > threshold || deltaZ > threshold) {
+        wakeScreen();
+        return 500;
+    }
+
+    return MOTION_SENSOR_CHECK_INTERVAL_MS;
+}
+
+#endif
@@ -0,0 +1,36 @@
+#pragma once
+#ifndef _BMI270_SENSOR_H_
+#define _BMI270_SENSOR_H_
+
+#include "MotionSensor.h"
+
+#if !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_I2C && defined(HAS_BMI270)
+
+class BMI270Sensor : public MotionSensor
+{
+  private:
+    bool initialized = false;
+    TwoWire *wire = nullptr;
+
+    // Previous readings for motion detection
+    int16_t prevX = 0, prevY = 0, prevZ = 0;
+    bool hasBaseline = false;
+
+    // BMI270 register access
+    bool writeRegister(uint8_t reg, uint8_t value);
+    bool writeRegisters(uint8_t reg, const uint8_t *data, size_t len);
+    uint8_t readRegister(uint8_t reg);
+    bool readRegisters(uint8_t reg, uint8_t *data, size_t len);
+
+    // Config file upload (BMI270 requires 8KB config blob)
+    bool uploadConfigFile();
+
+  public:
+    explicit BMI270Sensor(ScanI2C::FoundDevice foundDevice);
+    virtual bool init() override;
+    virtual int32_t runOnce() override;
+};
+
+#endif
+
+#endif
@@ -47,6 +47,21 @@ int32_t ICM20948Sensor::runOnce()
 int32_t ICM20948Sensor::runOnce()
 {
 #if !defined(MESHTASTIC_EXCLUDE_SCREEN) && HAS_SCREEN
+#if defined(MUZI_BASE) // temporarily gated to single device due to feature freeze
+    if (screen && !screen->isScreenOn() && !config.display.wake_on_tap_or_motion && !config.device.double_tap_as_button_press) {
+        if (!isAsleep) {
+            LOG_DEBUG("sleeping IMU");
+            sensor->sleep(true);
+            isAsleep = true;
+        }
+        return MOTION_SENSOR_CHECK_INTERVAL_MS;
+    }
+    if (isAsleep) {
+        sensor->sleep(false);
+        isAsleep = false;
+    }
+#endif
+
    float magX = 0, magY = 0, magZ = 0;
    if (sensor->dataReady()) {
        sensor->getAGMT();
@@ -156,8 +171,20 @@ int32_t ICM20948Sensor::runOnce()
 void ICM20948Sensor::calibrate(uint16_t forSeconds)
 {
 #if !defined(MESHTASTIC_EXCLUDE_SCREEN) && HAS_SCREEN
-    LOG_DEBUG("BMX160 calibration started for %is", forSeconds);
-    highestX = 0, lowestX = 0, highestY = 0, lowestY = 0, highestZ = 0, lowestZ = 0;
+    LOG_DEBUG("Old calibration data: highestX = %f, lowestX = %f, highestY = %f, lowestY = %f, highestZ = %f, lowestZ = %f",
+              highestX, lowestX, highestY, lowestY, highestZ, lowestZ);
+    LOG_DEBUG("Compass calibration started for %is", forSeconds);
+    if (sensor->dataReady()) {
+        sensor->getAGMT();
+        highestX = sensor->agmt.mag.axes.x;
+        lowestX = sensor->agmt.mag.axes.x;
+        highestY = sensor->agmt.mag.axes.y;
+        lowestY = sensor->agmt.mag.axes.y;
+        highestZ = sensor->agmt.mag.axes.z;
+        lowestZ = sensor->agmt.mag.axes.z;
+    } else {
+        highestX = 0, lowestX = 0, highestY = 0, lowestY = 0, highestZ = 0, lowestZ = 0;
+    }

    doCalibration = true;
    uint16_t calibrateFor = forSeconds * 1000; // calibrate for seconds provided
@@ -82,7 +82,13 @@ class ICM20948Sensor : public MotionSensor
  private:
    ICM20948Singleton *sensor = nullptr;
    bool showingScreen = false;
+#ifdef MUZI_BASE
+    bool isAsleep = false;
+    float highestX = 449.000000, lowestX = -140.000000, highestY = 422.000000, lowestY = -232.000000, highestZ = 749.000000,
+          lowestZ = 98.000000;
+#else
    float highestX = 0, lowestX = 0, highestY = 0, lowestY = 0, highestZ = 0, lowestZ = 0;
+#endif

  public:
    explicit ICM20948Sensor(ScanI2C::FoundDevice foundDevice);
@@ -22,6 +22,9 @@
 #if HAS_ETHERNET && defined(USE_WS5500)
 #include <ETHClass2.h>
 #define ETH ETH2
+#elif HAS_ETHERNET && defined(USE_CH390D)
+#include "ESP32_CH390.h"
+#define ETH CH390
 #endif // HAS_ETHERNET
 #include "Default.h"
 #if !defined(ARCH_NRF52) || NRF52_USE_JSON
@@ -336,6 +339,9 @@ inline bool isConnectedToNetwork()
 #ifdef USE_WS5500
    if (ETH.connected())
        return true;
+#elif defined(USE_CH390D)
+    if (ETH.isConnected())
+        return true;
 #endif

 #if HAS_WIFI
@@ -15,7 +15,7 @@
 #include <WiFiClientSecure.h>
 #endif
 #endif
-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
 #include <EthernetClient.h>
 #endif

@@ -151,6 +151,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M2
 #elif defined(ELECROW_ThinkNode_M5)
 #define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M5
+#elif defined(ELECROW_ThinkNode_M7)
+#define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M7
 #elif defined(ESP32_S3_PICO)
 #define HW_VENDOR meshtastic_HardwareModel_ESP32_S3_PICO
 #elif defined(SENSELORA_S3)
@@ -205,6 +207,10 @@
 #define HW_VENDOR meshtastic_HardwareModel_M5STACK_C6L
 #elif defined(HELTEC_WIRELESS_TRACKER_V2)
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_WIRELESS_TRACKER_V2
+#elif defined(M5STACK_CARDPUTER_ADV)
+#define HW_VENDOR meshtastic_HardwareModel_M5STACK_CARDPUTER_ADV
+#else
+#define HW_VENDOR meshtastic_HardwareModel_PRIVATE_HW
 #endif

 // -----------------------------------------------------------------------------
@@ -28,7 +28,7 @@
 #if !defined(CONFIG_IDF_TARGET_ESP32S2) && !MESHTASTIC_EXCLUDE_BLUETOOTH
 void setBluetoothEnable(bool enable)
 {
-#ifdef USE_WS5500
+#if defined(USE_WS5500) || defined(USE_CH390D)
    if ((config.bluetooth.enabled == true) && (config.network.wifi_enabled == false))
 #elif HAS_WIFI
    if (!isWifiAvailable() && config.bluetooth.enabled == true)
@@ -0,0 +1,94 @@
+#include "configuration.h"
+
+#ifdef M5STACK_CARDPUTER_ADV
+
+#include "AudioBoard.h"
+#include <Wire.h>
+
+DriverPins PinsAudioBoardES8311;
+AudioBoard board(AudioDriverES8311, PinsAudioBoardES8311);
+
+// PI4IOE5V6408 on the optional Cap LoRa-1262 (and Cap LoRa868).
+#define PI4IO_ADDR 0x43
+#define PI4IO_REG_IO_DIR 0x03
+#define PI4IO_REG_OUT_SET 0x05
+#define PI4IO_REG_OUT_H_IM 0x07
+
+static TwoWire *findLoraCapBus()
+{
+    TwoWire *candidates[] = {&Wire1, &Wire};
+    for (size_t i = 0; i < sizeof(candidates) / sizeof(candidates[0]); ++i) {
+        candidates[i]->beginTransmission(PI4IO_ADDR);
+        if (candidates[i]->endTransmission() == 0) {
+            return candidates[i];
+        }
+    }
+    return nullptr;
+}
+
+static bool pi4ioWrite(TwoWire *bus, uint8_t reg, uint8_t val)
+{
+    bus->beginTransmission(PI4IO_ADDR);
+    bus->write(reg);
+    bus->write(val);
+    uint8_t status = bus->endTransmission();
+    if (status != 0) {
+        LOG_DEBUG("PI4IO write reg=0x%02x val=0x%02x failed, I2C status=%u", reg, val, status);
+        return false;
+    }
+    return true;
+}
+
+static void initLoraCap()
+{
+    TwoWire *bus = findLoraCapBus();
+    if (!bus) {
+        LOG_ERROR("Cap LoRa-1262 not found");
+        return;
+    }
+    bool ok = pi4ioWrite(bus, PI4IO_REG_IO_DIR, 0b00000001);
+    ok = ok && pi4ioWrite(bus, PI4IO_REG_OUT_H_IM, 0b00000000);
+    ok = ok && pi4ioWrite(bus, PI4IO_REG_OUT_SET, 0b00000001);
+    if (!ok) {
+        LOG_ERROR("Antenna switch init failed");
+    }
+}
+
+// M5stack Cardputer ADV specific init
+
+void lateInitVariant()
+{
+    initLoraCap();
+
+    // AudioDriverLogger.begin(Serial, AudioDriverLogLevel::Debug);
+    //  I2C: function, scl, sda
+    PinsAudioBoardES8311.addI2C(PinFunction::CODEC, Wire);
+    // I2S: function, mclk, bck, ws, data_out, data_in
+    PinsAudioBoardES8311.addI2S(PinFunction::CODEC, DAC_I2S_MCLK, DAC_I2S_BCK, DAC_I2S_WS, DAC_I2S_DOUT, DAC_I2S_DIN);
+
+    // configure codec
+    CodecConfig cfg;
+    cfg.input_device = ADC_INPUT_LINE1;
+    cfg.output_device = DAC_OUTPUT_ALL;
+    cfg.i2s.bits = BIT_LENGTH_16BITS;
+    cfg.i2s.rate = RATE_44K;
+    board.begin(cfg);
+
+    // extra ES8311 init
+    auto es8311_write_reg = [](uint8_t reg, uint8_t val) {
+        Wire.beginTransmission(0x18); // ES8311 i2c address
+        Wire.write(reg);
+        Wire.write(val);
+        Wire.endTransmission();
+    };
+    es8311_write_reg(0x00, 0x80); // reset, power on
+    es8311_write_reg(0x01, 0xB5); // MCLK = BCLK
+    es8311_write_reg(0x02, 0x18); // CLOCK_MANAGER/ MULT_PRE=3
+    es8311_write_reg(0x0D, 0x01); // analog power up
+    es8311_write_reg(0x12, 0x00); // DAC power up
+    es8311_write_reg(0x13, 0x10); // enable HP drive
+    es8311_write_reg(0x32, 0xBF); // DAC volume (0dB)
+    es8311_write_reg(0x37, 0x08); // EQ bypass
+}
+
+#endif
@@ -68,6 +68,12 @@
 #define HW_VENDOR meshtastic_HardwareModel_T_ECHO_LITE
 #elif defined(ELECROW_ThinkNode_M1)
 #define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M1
+#elif defined(ELECROW_ThinkNode_M3)
+#define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M3
+#elif defined(ELECROW_ThinkNode_M6)
+#define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M6
+#elif defined(ELECROW_ThinkNode_M4)
+#define HW_VENDOR meshtastic_HardwareModel_THINKNODE_M4
 #elif defined(NANO_G2_ULTRA)
 #define HW_VENDOR meshtastic_HardwareModel_NANO_G2_ULTRA
 #elif defined(CANARYONE)
@@ -104,6 +110,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_SEEED_WIO_TRACKER_L1
 #elif defined(HELTEC_MESH_SOLAR)
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_MESH_SOLAR
+#elif defined(MUZI_BASE)
+#define HW_VENDOR meshtastic_HardwareModel_RESERVED_FRIED_CHICKEN
 #else
 #define HW_VENDOR meshtastic_HardwareModel_NRF52_UNKNOWN
 #endif
@@ -128,7 +136,9 @@

 #endif

+#ifdef PIN_LED1
 #define LED_PIN PIN_LED1 // LED1 on nrf52840-DK
+#endif

 #ifdef PIN_BUTTON1
 #define BUTTON_PIN PIN_BUTTON1
@@ -19,6 +19,11 @@
 #include "BQ25713.h"
 #endif

+// Weak empty variant initialization function.
+// May be redefined by variant files.
+void variant_shutdown() __attribute__((weak));
+void variant_shutdown() {}
+
 static inline void debugger_break(void)
 {
    __asm volatile("bkpt #0x01\n\t"
@@ -352,6 +357,7 @@ void cpuDeepSleep(uint32_t msecToWake)
        NRF_GPIO->DIRCLR = (1 << pin);
    }
 #endif
+    variant_shutdown();

    // Sleepy trackers or sensors can low power "sleep"
    // Don't enter this if we're sleeping portMAX_DELAY, since that's a shutdown event
@@ -243,7 +243,7 @@ void portduinoSetup()
        //      RAK6421-13300-S1:aabbcc123456:5ba85807d92138b7519cfb60460573af:3061e8d8
        // <model string>:mac address :<16 random unique bytes in hexidecimal> : crc32
        // crc32 is calculated on the eeprom string up to but not including the final colon
-        if (strlen(autoconf_product) < 6) {
+        if (strlen(autoconf_product) < 6 && portduino_config.i2cdev != "") {
            try {
                char *mac_start = nullptr;
                char *devID_start = nullptr;
@@ -774,4 +774,4 @@ void readGPIOFromYaml(YAML::Node sourceNode, pinMapping &destPin, int pinDefault
        destPin.line = destPin.pin;
        destPin.gpiochip = portduino_config.lora_default_gpiochip;
    }
-}
+}
@@ -34,8 +34,6 @@
 #define OCV_ARRAY 4200, 3876, 3826, 3763, 3713, 3660, 3573, 3485, 3422, 3359, 3300
 #elif defined(SEEED_SOLAR_NODE)
 #define OCV_ARRAY 4200, 3986, 3922, 3812, 3734, 3645, 3527, 3420, 3281, 3087, 2786
-#elif defined(R1_NEO)
-#define OCV_ARRAY 4330, 4292, 4254, 4216, 4178, 4140, 4102, 4064, 4026, 3988, 3950
 #else // LiIon
 #define OCV_ARRAY 4190, 4050, 3990, 3890, 3800, 3720, 3630, 3530, 3420, 3300, 3100
 #endif
@@ -118,6 +116,7 @@ class Power : private concurrency::OSThread
    virtual int32_t runOnce() override;
    void setStatusHandler(meshtastic::PowerStatus *handler) { statusHandler = handler; }
    const uint16_t OCV[11] = {OCV_ARRAY};
+    bool isLowBattery() { return low_voltage_counter >= 10; };

  protected:
    meshtastic::PowerStatus *statusHandler;
@@ -132,6 +131,8 @@ class Power : private concurrency::OSThread
    bool lipoChargerInit();
    /// Setup a meshSolar battery sensor
    bool meshSolarInit();
+    /// Setup a serial battery sensor
+    bool serialBatteryInit();

  private:
    void shutdown();
@@ -0,0 +1,26 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+// The default Wire will be mapped to PMU and RTC
+static const uint8_t SDA = 17;
+static const uint8_t SCL = 18;
+
+// Default SPI will be mapped to Radio
+static const uint8_t SS = 39;
+static const uint8_t MOSI = 40;
+static const uint8_t MISO = 41;
+static const uint8_t SCK = 42;
+
+// #define SPI_MOSI (11)
+// #define SPI_SCK (10)
+// #define SPI_MISO (9)
+// #define SPI_CS (12)
+
+// #define SDCARD_CS SPI_CS
+
+#endif /* Pins_Arduino_h */
@@ -0,0 +1,24 @@
+[env:thinknode_g3]
+extends = esp32s3_base
+board = ESP32-S3-WROOM-1-N4
+board_build.psram_type = opi
+
+build_flags =
+  ${esp32s3_base.build_flags}
+  -D HAS_UDP_MULTICAST=1
+  -D BOARD_HAS_PSRAM
+  -D PRIVATE_HW
+  -I variants/esp32s3/ELECROW-ThinkNode-G3
+  -mfix-esp32-psram-cache-issue
+
+lib_ignore =
+  Ethernet
+
+build_src_filter =
+  ${esp32s3_base.build_src_filter}
+  +<../variants/esp32s3/ELECROW-ThinkNode-G3/*>
+
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  # renovate: datasource=github-tags depName=ESP32-CH390 packageName=meshtastic/ESP32-CH390
+  https://github.com/meshtastic/ESP32-CH390/archive/refs/tags/v1.0.1.zip
@@ -0,0 +1,6 @@
+#include "mesh/NodeDB.h"
+
+void variantDefaultConfig()
+{
+    config.network.eth_enabled = true;
+}
@@ -0,0 +1,36 @@
+#define HAS_GPS 0
+#define HAS_WIRE 0
+#define I2C_NO_RESCAN
+
+#define WIFI_LED 5
+#define WIFI_STATE_ON 0
+
+#define LED_PIN 6
+#define LED_STATE_ON 0
+#define BUTTON_PIN 4
+
+#define LORA_SCK 42
+#define LORA_MISO 41
+#define LORA_MOSI 40
+#define LORA_CS 39
+#define LORA_RESET 21
+
+#define USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 15
+#define SX126X_BUSY 47
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define PIN_POWER_EN 45
+
+#define HAS_ETHERNET 1
+#define USE_CH390D 1
+
+#define ETH_MISO_PIN 12
+#define ETH_MOSI_PIN 11
+#define ETH_SCLK_PIN 13
+#define ETH_CS_PIN 14
+#define ETH_INT_PIN 10
+#define ETH_RST_PIN 9
+// #define ETH_ADDR 1
@@ -0,0 +1,19 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+// The default Wire will be mapped to PMU and RTC
+static const uint8_t SDA = 17;
+static const uint8_t SCL = 18;
+
+// Default SPI is the LR1110 radio bus
+static const uint8_t SS = 12;
+static const uint8_t MOSI = 10;
+static const uint8_t MISO = 9;
+static const uint8_t SCK = 11;
+
+#endif /* Pins_Arduino_h */
@@ -0,0 +1,23 @@
+[env:thinknode_m7]
+extends = esp32s3_base
+board = ThinkNode-M7
+
+build_flags = 
+  ${esp32s3_base.build_flags}
+  -D ELECROW_ThinkNode_M7
+  -D HAS_UDP_MULTICAST=1
+  -D BOARD_HAS_PSRAM
+  -I variants/esp32s3/ELECROW-ThinkNode-M7
+  -mfix-esp32-psram-cache-issue
+
+lib_ignore = 
+  Ethernet
+
+build_src_filter =
+  ${esp32s3_base.build_src_filter}
+  +<../variants/esp32s3/ELECROW-ThinkNode-M7/*>
+
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  # renovate: datasource=github-tags depName=ESP32-CH390 packageName=meshtastic/ESP32-CH390
+  https://github.com/meshtastic/ESP32-CH390/archive/refs/tags/v1.0.1.zip
@@ -0,0 +1,11 @@
+#include "RadioLib.h"
+
+static const uint32_t rfswitch_dio_pins[] = {RADIOLIB_LR11X0_DIO5, RADIOLIB_LR11X0_DIO6, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[] = {
+    // mode                  DIO5  DIO6
+    {LR11x0::MODE_STBY, {LOW, LOW}},  {LR11x0::MODE_RX, {HIGH, LOW}},
+    {LR11x0::MODE_TX, {HIGH, HIGH}},  {LR11x0::MODE_TX_HP, {LOW, HIGH}},
+    {LR11x0::MODE_TX_HF, {LOW, LOW}}, {LR11x0::MODE_GNSS, {LOW, LOW}},
+    {LR11x0::MODE_WIFI, {LOW, LOW}},  END_OF_MODE_TABLE,
+};
@@ -0,0 +1,6 @@
+#include "mesh/NodeDB.h"
+
+void variantDefaultConfig()
+{
+    config.network.eth_enabled = true;
+}
@@ -0,0 +1,43 @@
+#define HAS_GPS 0
+#define HAS_WIRE 0
+#define HAS_SCREEN 0
+#define I2C_NO_RESCAN
+
+#define UART_TX 43
+#define UART_RX 44
+
+#define WIFI_LED 3
+#define WIFI_STATE_ON 0
+
+#define LED_PIN 46
+#define LED_STATE_ON 0
+#define BUTTON_PIN 4
+#define BUTTON_ACTIVE_LOW true
+#define BUTTON_ACTIVE_PULLUP true
+
+#define LORA_SCK 11
+#define LORA_MISO 9
+#define LORA_MOSI 10
+#define LORA_CS 12
+#define LORA_RESET 39
+
+#define USE_LR1110
+#define LR1110_SPI_SCK_PIN LORA_SCK
+#define LR1110_SPI_MISO_PIN LORA_MISO
+#define LR1110_SPI_MOSI_PIN LORA_MOSI
+#define LR1110_SPI_NSS_PIN LORA_CS
+#define LR1110_IRQ_PIN 38
+#define LR1110_BUSY_PIN 13
+#define LR1110_NRESET_PIN LORA_RESET
+#define LR11X0_DIO3_TCXO_VOLTAGE 1.8
+#define LR11X0_DIO_AS_RF_SWITCH
+
+#define HAS_ETHERNET 1
+#define USE_CH390D 1
+
+#define ETH_MISO_PIN 14
+#define ETH_MOSI_PIN 48
+#define ETH_SCLK_PIN 47
+#define ETH_CS_PIN 21
+#define ETH_INT_PIN 45
+// #define ETH_ADDR 1
@@ -0,0 +1,20 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include "soc/soc_caps.h"
+#include <stdint.h>
+
+#define USB_VID 0x303a // USB JTAG/serial debug unit ID
+#define USB_PID 0x1001 // USB JTAG/serial debug unit ID
+
+static const uint8_t SS = 5;
+static const uint8_t SDA = 8;
+static const uint8_t SCL = 9;
+static const uint8_t ADC = 10;
+static const uint8_t TXD2 = 13;
+static const uint8_t MOSI = 14;
+static const uint8_t RXD2 = 15;
+static const uint8_t MISO = 39;
+static const uint8_t SCK = 40;
+
+#endif
@@ -0,0 +1,24 @@
+; M5stack Cardputer Advanced
+[env:m5stack-cardputer-adv]
+extends = esp32s3_base
+board = m5stack-stamps3
+board_check = true
+board_build.partitions = default_8MB.csv
+upload_protocol = esptool
+build_flags = 
+  ${esp32s3_base.build_flags}
+  -D M5STACK_CARDPUTER_ADV
+  -D ARDUINO_USB_CDC_ON_BOOT=1
+  -I variants/esp32s3/m5stack_cardputer_adv
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  # renovate: datasource=git-refs depName=meshtastic-st7789 packageName=https://github.com/meshtastic/st7789 gitBranch=main
+  https://github.com/meshtastic/st7789/archive/5180423ae2dbf5885168a8bfb308c7fb7eff6930.zip
+  # renovate: datasource=github-tags depName=pschatzmann_arduino-audio-driver packageName=pschatzmann/arduino-audio-driver
+  https://github.com/pschatzmann/arduino-audio-driver/archive/v0.2.1.zip
+  # renovate: datasource=git-refs depName=ESP8266Audio packageName=https://github.com/meshtastic/ESP8266Audio gitBranch=meshtastic-2.0.0-dacfix
+  https://github.com/meshtastic/ESP8266Audio/archive/343024632ee78d6216907b2353fc943a62422d80.zip
+  # renovate: datasource=custom.pio depName=ESP8266SAM packageName=earlephilhower/library/ESP8266SAM
+  earlephilhower/ESP8266SAM@1.1.0
+  # renovate: datasource=custom.pio depName=NeoPixel packageName=adafruit/library/Adafruit NeoPixel
+  adafruit/Adafruit NeoPixel@1.15.2
@@ -0,0 +1,91 @@
+#define USE_ST7789
+
+#define ST7789_NSS 37
+#define ST7789_RS 34  // DC
+#define ST7789_SDA 35 // MOSI
+#define ST7789_SCK 36
+#define ST7789_RESET 33
+#define ST7789_MISO -1
+#define ST7789_BUSY -1
+// #define VTFT_CTRL 38
+#define VTFT_LEDA 38
+#define TFT_BACKLIGHT_ON HIGH
+// #define ST7789_BL (32+6)
+#define ST7789_SPI_HOST SPI2_HOST
+// #define TFT_BL (32+6)
+#define SPI_FREQUENCY 40000000
+#define SPI_READ_FREQUENCY 16000000
+#define TFT_HEIGHT 135
+#define TFT_WIDTH 240
+#define TFT_OFFSET_X 0
+#define TFT_OFFSET_Y 0
+#define HAS_PHYSICAL_KEYBOARD 1
+
+// Backlight is controlled to power rail on this board, this also powers the neopixel
+// #define PIN_POWER_EN 38
+
+#define BUTTON_PIN 0
+
+#define I2C_SDA 8
+#define I2C_SCL 9
+
+#define I2C_SDA1 2
+#define I2C_SCL1 1
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+#define LORA_SCK 40
+#define LORA_MISO 39
+#define LORA_MOSI 14
+#define LORA_CS 5 // NSS
+
+#define USE_SX1262
+#define LORA_DIO0 -1
+#define LORA_RESET 3
+#define LORA_RST 3
+#define LORA_DIO1 4
+#define LORA_DIO2 6
+#define LORA_DIO3 RADIOLIB_NC
+
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define TCXO_OPTIONAL
+
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 15
+#define GPS_TX_PIN 13
+#define HAS_GPS 1
+#define GPS_BAUDRATE 115200
+
+// audio codec ES8311
+#define HAS_I2S
+#define DAC_I2S_BCK 41
+#define DAC_I2S_WS 43
+#define DAC_I2S_DOUT 42
+#define DAC_I2S_DIN 46
+#define DAC_I2S_MCLK 45 // dummy
+
+// TCA8418 keyboard
+#define I2C_NO_RESCAN
+#define KB_INT 11
+
+#define HAS_NEOPIXEL
+#define NEOPIXEL_COUNT 1
+#define NEOPIXEL_DATA 21
+#define NEOPIXEL_TYPE (NEO_GRB + NEO_KHZ800)
+
+#define BATTERY_PIN 10 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO10_CHANNEL
+#define ADC_MULTIPLIER 2 * 1.02 // 100k + 100k, and add 2% to kick the voltage over the max voltage to show charging.
+
+// BMI270 6-axis IMU on internal I2C bus
+#define HAS_BMI270
@@ -0,0 +1,17 @@
+[env:thinknode_m3]
+extends = nrf52840_base
+board = ThinkNode-M3
+board_check = true
+debug_tool = jlink
+build_flags = 
+  ${nrf52840_base.build_flags} 
+  -Ivariants/nrf52840/ELECROW-ThinkNode-M3
+  -DELECROW_ThinkNode_M3
+  -DGPS_POWER_TOGGLE
+  -D CONFIG_NFCT_PINS_AS_GPIOS=1
+  -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m4/fpv4-sp-d16-hard"
+build_src_filter = ${nrf52_base.build_src_filter} +<../variants/nrf52840/ELECROW-ThinkNode-M3>
+lib_deps = 
+  ${nrf52840_base.lib_deps}
+  khoih-prog/nRF52_PWM@^1.0.1
+  lewisxhe/PCF8563_Library@^1.0.1
@@ -0,0 +1,15 @@
+#include "RadioLib.h"
+#include "nrf.h"
+
+// set RF switch configuration for ELECROW ThinkNode M3
+// ELECROW ThinkNode M3 uses DIO5 and DIO6 for RF switching
+
+static const uint32_t rfswitch_dio_pins[] = {RADIOLIB_LR11X0_DIO5, RADIOLIB_LR11X0_DIO6, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[] = {
+    // mode                  DIO5  DIO6
+    {LR11x0::MODE_STBY, {LOW, LOW}},  {LR11x0::MODE_RX, {HIGH, LOW}},
+    {LR11x0::MODE_TX, {HIGH, HIGH}},  {LR11x0::MODE_TX_HP, {LOW, HIGH}},
+    {LR11x0::MODE_TX_HF, {LOW, LOW}}, {LR11x0::MODE_GNSS, {LOW, LOW}},
+    {LR11x0::MODE_WIFI, {LOW, LOW}},  END_OF_MODE_TABLE,
+};
@@ -0,0 +1,104 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+#include "meshUtils.h"
+#include "nrf.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+    // P0
+    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+
+    // P1
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
+
+void initVariant()
+{
+    pinMode(KEY_POWER, OUTPUT);
+    digitalWrite(KEY_POWER, HIGH);
+    pinMode(RGB_POWER, OUTPUT);
+    digitalWrite(RGB_POWER, HIGH);
+    pinMode(green_LED_PIN, OUTPUT);
+    digitalWrite(green_LED_PIN, LED_STATE_OFF);
+    pinMode(LED_BLUE, OUTPUT);
+    pinMode(PIN_POWER_USB, INPUT);
+    pinMode(PIN_POWER_DONE, INPUT);
+    pinMode(PIN_POWER_CHRG, INPUT);
+    pinMode(BUTTON_PIN, INPUT_PULLUP);
+    pinMode(EEPROM_POWER, OUTPUT);
+    digitalWrite(EEPROM_POWER, HIGH);
+    pinMode(PIN_EN1, OUTPUT);
+    digitalWrite(PIN_EN1, HIGH);
+    pinMode(PIN_EN2, OUTPUT);
+    digitalWrite(PIN_EN2, HIGH);
+    pinMode(ACC_POWER, OUTPUT);
+    digitalWrite(ACC_POWER, LOW);
+    pinMode(DHT_POWER, OUTPUT);
+    digitalWrite(DHT_POWER, HIGH);
+    pinMode(Battery_POWER, OUTPUT);
+    digitalWrite(Battery_POWER, HIGH);
+    pinMode(GPS_POWER, OUTPUT);
+    digitalWrite(GPS_POWER, HIGH);
+}
+
+// called from main-nrf52.cpp during the cpuDeepSleep() function
+void variant_shutdown()
+{
+    digitalWrite(red_LED_PIN, HIGH);
+    digitalWrite(green_LED_PIN, HIGH);
+    digitalWrite(LED_BLUE, HIGH);
+
+    digitalWrite(PIN_EN1, LOW);
+    digitalWrite(PIN_EN2, LOW);
+    digitalWrite(EEPROM_POWER, LOW);
+    digitalWrite(KEY_POWER, LOW);
+    digitalWrite(DHT_POWER, LOW);
+    digitalWrite(ACC_POWER, LOW);
+    digitalWrite(Battery_POWER, LOW);
+    digitalWrite(GPS_POWER, LOW);
+
+    // This sets the pin to OUTPUT and LOW for the pins *not* in the if block.
+    for (int pin = 0; pin < 48; pin++) {
+        if (pin == PIN_POWER_USB || pin == BUTTON_PIN || pin == PIN_EN1 || pin == PIN_EN2 || pin == DHT_POWER ||
+            pin == ACC_POWER || pin == Battery_POWER || pin == GPS_POWER || pin == LR1110_SPI_MISO_PIN ||
+            pin == LR1110_SPI_MOSI_PIN || pin == LR1110_SPI_SCK_PIN || pin == LR1110_SPI_NSS_PIN || pin == LR1110_BUSY_PIN ||
+            pin == LR1110_NRESET_PIN || pin == LR1110_IRQ_PIN || pin == GPS_TX_PIN || pin == GPS_RX_PIN || pin == green_LED_PIN ||
+            pin == red_LED_PIN || pin == LED_BLUE) {
+            continue;
+        }
+        pinMode(pin, OUTPUT);
+        digitalWrite(pin, LOW);
+        if (pin >= 32) {
+            NRF_P1->DIRCLR = (1 << (pin - 32));
+        } else {
+            NRF_GPIO->DIRCLR = (1 << pin);
+        }
+    }
+
+    nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP); // Configure the pin to be woken up as an input
+    nrf_gpio_pin_sense_t sense1 = NRF_GPIO_PIN_SENSE_LOW;
+    nrf_gpio_cfg_sense_set(BUTTON_PIN, sense1);
+
+    nrf_gpio_cfg_input(PIN_POWER_USB, NRF_GPIO_PIN_PULLDOWN); // Configure the pin to be woken up as an input
+    nrf_gpio_pin_sense_t sense2 = NRF_GPIO_PIN_SENSE_HIGH;
+    nrf_gpio_cfg_sense_set(PIN_POWER_USB, sense2);
+}
@@ -0,0 +1,123 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_ELECROW_EINK_V1_0_
+#define _VARIANT_ELECROW_EINK_V1_0_
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#include "WVariant.h"
+
+#define VARIANT_MCK (64000000ul)
+#define USE_LFXO // Board uses 32khz crystal for LF
+
+#define ELECROW_ThinkNode_M3 1
+// Number of pins defined in PinDescription array
+#define PINS_COUNT (48)
+#define NUM_DIGITAL_PINS (48)
+#define NUM_ANALOG_INPUTS (1)
+#define NUM_ANALOG_OUTPUTS (0)
+
+// Power Pin
+#define NRF_APM
+#define GPS_POWER 14
+#define PIN_POWER_USB 31
+#define EXT_PWR_DETECT PIN_POWER_USB
+#define PIN_POWER_DONE 24
+#define PIN_POWER_CHRG 32
+#define KEY_POWER 16
+#define ACC_POWER 2
+#define DHT_POWER 3
+#define Battery_POWER 17
+#define RGB_POWER 29
+#define EEPROM_POWER 7
+
+// LED
+#define red_LED_PIN 33
+#define LED_POWER red_LED_PIN
+#define LED_CHARGE LED_POWER // Signals the Status LED Module to handle this LED
+#define green_LED_PIN 35
+#define PIN_LED2 green_LED_PIN
+#define LED_BLUE 37
+#define LED_PAIRING LED_BLUE // Signals the Status LED Module to handle this LED
+
+#define LED_BUILTIN -1
+#define LED_STATE_ON LOW
+#define LED_STATE_OFF HIGH
+
+// BUZZER
+#define PIN_BUZZER 23
+#define PIN_EN1 36
+#define PIN_EN2 34
+/*Wire Interfaces*/
+#define WIRE_INTERFACES_COUNT 1
+#define PIN_WIRE_SDA 26
+#define PIN_WIRE_SCL 27
+
+// Temperature correction for sensor
+#define AHT10_TEMP_OFFSET -5.0
+
+/*GPS pins*/
+#define HAS_GPS 1
+#define GPS_BAUDRATE 9600
+#define PIN_GPS_RESET 25
+#define PIN_GPS_STANDBY 21
+#define GPS_TX_PIN 20
+#define GPS_RX_PIN 22
+#define GPS_THREAD_INTERVAL 50
+#define PIN_SERIAL1_RX GPS_TX_PIN
+#define PIN_SERIAL1_TX GPS_RX_PIN
+// Button
+#define BUTTON_PIN 12
+#define BUTTON_PIN_ALT (0 + 12)
+// Battery
+#define BATTERY_PIN 5
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 2.4
+#define VBAT_AR_INTERNAL AR_INTERNAL_2_4
+#define ADC_MULTIPLIER (1.75)
+/*SPI Interfaces*/
+#define SPI_INTERFACES_COUNT 1
+#define PIN_SPI_MISO (32 + 15) // P1.15 47
+#define PIN_SPI_MOSI (32 + 14) // P1.14 46
+#define PIN_SPI_SCK (32 + 13)  // P1.13 45
+#define PIN_SPI_NSS (32 + 12)  // P1.12 44
+/*LORA Interfaces*/
+#define USE_LR1110
+#define LR1110_IRQ_PIN 40
+#define LR1110_NRESET_PIN 42
+#define LR1110_BUSY_PIN 43
+#define LR1110_SPI_NSS_PIN 44
+#define LR1110_SPI_SCK_PIN 45
+#define LR1110_SPI_MOSI_PIN 46
+#define LR1110_SPI_MISO_PIN 47
+#define LR11X0_DIO3_TCXO_VOLTAGE 3.3
+#define LR11X0_DIO_AS_RF_SWITCH
+
+// PCF8563 RTC Module
+#define PCF8563_RTC 0x51
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
@@ -0,0 +1,15 @@
+; ThinkNode M4 - Powerbank nrf52840/LR1110 by Elecrow
+[env:thinknode_m4]
+extends = nrf52840_base
+board = ThinkNode-M4
+board_check = true
+debug_tool = jlink
+
+build_flags = ${nrf52840_base.build_flags}
+  -Ivariants/nrf52840/ELECROW-ThinkNode-M4
+  -DELECROW_ThinkNode_M4
+
+build_src_filter = ${nrf52_base.build_src_filter} +<../variants/nrf52840/ELECROW-ThinkNode-M4>
+lib_deps =
+  ${nrf52840_base.lib_deps}
+  lewisxhe/PCF8563_Library@^1.0.1
@@ -0,0 +1,11 @@
+#include "RadioLib.h"
+
+static const uint32_t rfswitch_dio_pins[] = {RADIOLIB_LR11X0_DIO5, RADIOLIB_LR11X0_DIO6, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[] = {
+    // mode                  DIO5  DIO6
+    {LR11x0::MODE_STBY, {LOW, LOW}},  {LR11x0::MODE_RX, {HIGH, LOW}},
+    {LR11x0::MODE_TX, {HIGH, HIGH}},  {LR11x0::MODE_TX_HP, {LOW, HIGH}},
+    {LR11x0::MODE_TX_HF, {LOW, LOW}}, {LR11x0::MODE_GNSS, {LOW, LOW}},
+    {LR11x0::MODE_WIFI, {LOW, LOW}},  END_OF_MODE_TABLE,
+};
@@ -0,0 +1,69 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+#include "nrf.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+    // P0 - pins 0 and 1 are hardwired for xtal and should never be enabled
+    0xff, 0xff, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+
+    // P1
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
+
+void initVariant()
+{
+    pinMode(PIN_LED2, OUTPUT);
+    ledOff(PIN_LED2);
+
+    pinMode(LED_PAIRING, OUTPUT);
+    ledOff(LED_PAIRING);
+
+    pinMode(Battery_LED_1, OUTPUT);
+    ledOff(Battery_LED_1);
+    pinMode(Battery_LED_2, OUTPUT);
+    ledOff(Battery_LED_2);
+
+    pinMode(Battery_LED_3, OUTPUT);
+    ledOff(Battery_LED_3);
+
+    pinMode(Battery_LED_4, OUTPUT);
+    ledOff(Battery_LED_4);
+}
+
+/// called from main-nrf52.cpp during the cpuDeepSleep() function
+void variant_shutdown()
+{
+    for (int pin = 0; pin < 48; pin++) {
+        if (pin == PIN_GPS_EN || pin == PIN_BUTTON1) {
+            continue;
+        }
+        pinMode(pin, OUTPUT);
+        digitalWrite(pin, LOW);
+        if (pin >= 32) {
+            NRF_P1->DIRCLR = (1 << (pin - 32));
+        } else {
+            NRF_GPIO->DIRCLR = (1 << pin);
+        }
+    }
+    digitalWrite(PIN_GPS_EN, HIGH);
+}
@@ -0,0 +1,143 @@
+/*
+ Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+ Copyright (c) 2016 Sandeep Mistry All right reserved.
+ Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the GNU Lesser General Public License for more details.
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_ELECROW_THINKNODE_M4_
+#define _VARIANT_ELECROW_THINKNODE_M4_
+
+/** Master clock frequency */
+#define VARIANT_MCK (64000000ul)
+
+#define USE_LFXO
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#define PINS_COUNT (48)
+#define NUM_DIGITAL_PINS (48)
+#define NUM_ANALOG_INPUTS (1)
+#define NUM_ANALOG_OUTPUTS (0)
+
+// LEDs
+#define LED_BUILTIN -1
+#define LED_BLUE -1
+#define PIN_LED2 (32 + 9)
+#define LED_HEARTBEAT PIN_LED2
+#define LED_PAIRING (13)
+
+#define Battery_LED_1 (15)
+#define Battery_LED_2 (17)
+#define Battery_LED_3 (32 + 2)
+#define Battery_LED_4 (32 + 4)
+
+#define LED_STATE_ON 1
+
+// Button
+#define PIN_BUTTON1 (4)
+
+// Battery ADC
+#define PIN_A0 (2)
+#define BATTERY_PIN PIN_A0
+#define BATTERY_SENSE_SAMPLES 30
+#define ADC_RESOLUTION 14
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#define ADC_MULTIPLIER (2.00F)
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 3.0
+#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
+
+#define HAS_SERIAL_BATTERY_LEVEL 1
+#define SERIAL_BATTERY_RX 30
+#define SERIAL_BATTERY_TX 5
+
+static const uint8_t A0 = PIN_A0;
+
+#define PIN_NFC1 (9)
+#define PIN_NFC2 (10)
+
+// I2C
+#define WIRE_INTERFACES_COUNT 1
+#define PIN_WIRE_SDA (23)
+#define PIN_WIRE_SCL (25)
+
+// actually the LORA Radio
+#define PIN_POWER_EN (11)
+
+// charger status
+#define EXT_CHRG_DETECT (32 + 6)
+#define EXT_CHRG_DETECT_VALUE HIGH
+
+// SPI
+#define SPI_INTERFACES_COUNT 1
+#define PIN_SPI_MISO (8)
+#define PIN_SPI_MOSI (7)
+#define PIN_SPI_SCK (6)
+
+#define LORA_RESET (32 + 8)
+#define LORA_DIO1 (12)
+#define LORA_DIO2 (26)
+#define LORA_SCK PIN_SPI_SCK
+#define LORA_MISO PIN_SPI_MISO
+#define LORA_MOSI PIN_SPI_MOSI
+#define LORA_CS (27)
+
+#define USE_LR1110
+#define LR1110_IRQ_PIN LORA_DIO1
+#define LR1110_NRESET_PIN LORA_RESET
+#define LR1110_BUSY_PIN LORA_DIO2
+#define LR1110_SPI_NSS_PIN LORA_CS
+#define LR1110_SPI_SCK_PIN LORA_SCK
+#define LR1110_SPI_MOSI_PIN LORA_MOSI
+#define LR1110_SPI_MISO_PIN LORA_MISO
+
+#define LR11X0_DIO3_TCXO_VOLTAGE 1.6
+#define LR11X0_DIO_AS_RF_SWITCH
+
+// Peripherals on I2C bus. Active Low
+#define VEXT_ENABLE (32)
+#define VEXT_ON_VALUE LOW
+
+// GPS L76K
+#define HAS_GPS 1
+#define GPS_L76K
+#define GPS_BAUDRATE 9600
+#define PIN_GPS_EN (32 + 11)
+#define GPS_EN_ACTIVE LOW
+#define PIN_GPS_RESET (3)
+#define GPS_RESET_MODE HIGH
+#define PIN_GPS_STANDBY (28)
+#define GPS_STANDBY_ACTIVE HIGH
+#define GPS_TX_PIN (32 + 12)
+#define GPS_RX_PIN (32 + 14)
+#define GPS_THREAD_INTERVAL 50
+
+#define PIN_SERIAL1_RX GPS_RX_PIN
+#define PIN_SERIAL1_TX GPS_TX_PIN
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
@@ -0,0 +1,15 @@
+; ThinkNode M6 - Outdoor Solar Power nrf52840/sx1262 device
+[env:thinknode_m6]
+extends = nrf52840_base
+board = ThinkNode-M6
+board_check = true
+debug_tool = jlink
+
+build_flags = ${nrf52840_base.build_flags}
+  -Ivariants/nrf52840/ELECROW-ThinkNode-M6
+  -DELECROW_ThinkNode_M6
+
+build_src_filter = ${nrf52_base.build_src_filter} +<../variants/nrf52840/ELECROW-ThinkNode-M6>
+lib_deps =
+  ${nrf52840_base.lib_deps}
+  lewisxhe/PCF8563_Library@^1.0.1
@@ -0,0 +1,79 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+#include "nrf.h"
+#include "power.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+    // P0 - pins 0 and 1 are hardwired for xtal and should never be enabled
+    0xff, 0xff, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+
+    // P1
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
+
+void initVariant()
+{
+    pinMode(LED_CHARGE, OUTPUT);
+    ledOff(LED_CHARGE);
+
+    pinMode(LED_PAIRING, OUTPUT);
+    ledOff(LED_PAIRING);
+
+    pinMode(VDD_FLASH_EN, OUTPUT);
+    digitalWrite(VDD_FLASH_EN, HIGH);
+}
+
+// called from main-nrf52.cpp during the cpuDeepSleep() function
+void variant_shutdown()
+{
+    // This sets the pin to OUTPUT and LOW for the pins *not* in the if block.
+    for (int pin = 0; pin < 48; pin++) {
+        if (pin == PIN_GPS_EN || pin == ADC_CTRL || pin == PIN_BUTTON1 || pin == PIN_SPI_MISO || pin == PIN_SPI_MOSI ||
+            pin == PIN_SPI_SCK || pin == SX126X_CS || pin == SX126X_RESET || pin == SX126X_BUSY || pin == SX126X_DIO1) {
+            continue;
+        }
+        pinMode(pin, OUTPUT);
+        digitalWrite(pin, LOW);
+        if (pin >= 32) {
+            NRF_P1->DIRCLR = (1 << (pin - 32));
+        } else {
+            NRF_GPIO->DIRCLR = (1 << pin);
+        }
+    }
+
+    digitalWrite(PIN_GPS_EN, LOW);
+    digitalWrite(ADC_CTRL, LOW);
+    // digitalWrite(RTC_POWER, LOW);
+
+    nrf_gpio_cfg_input(PIN_BUTTON1, NRF_GPIO_PIN_PULLUP); // Configure the pin to be woken up as an input
+    nrf_gpio_pin_sense_t sense1 = NRF_GPIO_PIN_SENSE_LOW;
+    nrf_gpio_cfg_sense_set(PIN_BUTTON1, sense1);
+
+    // If we are sleeping because of low battery, wake up when the solar charger detects power.
+    // But if the user intentionally put us to sleep with the button, don't wake up just because the lights are on
+    if (power->isLowBattery()) {
+        nrf_gpio_cfg_input(EXT_CHRG_DETECT, NRF_GPIO_PIN_PULLUP); // Configure the pin to be woken up as an input
+        nrf_gpio_pin_sense_t sense2 = NRF_GPIO_PIN_SENSE_LOW;
+        nrf_gpio_cfg_sense_set(EXT_CHRG_DETECT, sense2);
+    }
+}
@@ -0,0 +1,148 @@
+/*
+ Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+ Copyright (c) 2016 Sandeep Mistry All right reserved.
+ Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the GNU Lesser General Public License for more details.
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_ELECROW_THINKNODE_M6_
+#define _VARIANT_ELECROW_THINKNODE_M6_
+
+/** Master clock frequency */
+#define VARIANT_MCK (64000000ul)
+
+#define USE_LFXO
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#define PINS_COUNT (48)
+#define NUM_DIGITAL_PINS (48)
+#define NUM_ANALOG_INPUTS (1)
+#define NUM_ANALOG_OUTPUTS (0)
+
+// LEDs
+#define LED_BUILTIN -1
+#define LED_BLUE -1
+#define LED_CHARGE (12)
+#define LED_PAIRING (7)
+#define PIN_LED2 LED_PAIRING
+
+#define LED_STATE_ON HIGH
+#define LED_STATE_OFF LOW
+
+// USB power detection
+#define EXT_PWR_DETECT (13)
+
+// Button
+#define PIN_BUTTON1 (17)
+
+// Battery ADC
+#define PIN_A0 (28)
+#define BATTERY_PIN PIN_A0
+#define ADC_CTRL (11)
+#define ADC_CTRL_ENABLED 1
+
+static const uint8_t A0 = PIN_A0;
+
+#define ADC_RESOLUTION 14
+#define BATTERY_SENSE_SAMPLES 30
+
+#define PIN_NFC1 (9)
+#define PIN_NFC2 (10)
+
+// I2C
+#define WIRE_INTERFACES_COUNT 1
+#define PIN_WIRE_SDA (32 + 9)
+#define PIN_WIRE_SCL (8)
+
+// Peripheral power enable
+#define PIN_POWER_EN (27)
+
+// Solar charger status
+#define EXT_CHRG_DETECT (15)
+#define EXT_CHRG_DETECT_VALUE LOW
+
+// QSPI Flash
+#define PIN_QSPI_SCK (32 + 3)
+#define PIN_QSPI_CS (23)
+#define PIN_QSPI_IO0 (32 + 1)
+#define PIN_QSPI_IO1 (32 + 2)
+#define PIN_QSPI_IO2 (32 + 4)
+#define PIN_QSPI_IO3 (32 + 5)
+
+#define EXTERNAL_FLASH_DEVICES MX25R1635F
+#define EXTERNAL_FLASH_USE_QSPI
+#define VDD_FLASH_EN (21)
+
+// LoRa SX1262
+#define USE_SX1262
+#define SX126X_CS (32 + 12)
+#define SX126X_DIO1 (32 + 6)
+#define SX126X_BUSY (32 + 11)
+#define SX126X_RESET (32 + 10)
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 3.3
+
+// GPS L76K
+#define GPS_L76K
+#define GPS_BAUDRATE 9600
+#define PIN_GPS_EN (6)
+#define PIN_GPS_REINIT (29)
+#define PIN_GPS_STANDBY (30)
+#define PIN_GPS_PPS (31)
+#define GPS_TX_PIN (3)
+#define GPS_RX_PIN (2)
+#define GPS_THREAD_INTERVAL 50
+
+#define PIN_SERIAL1_RX GPS_TX_PIN
+#define PIN_SERIAL1_TX GPS_RX_PIN
+
+// Secondary UART
+#define PIN_SERIAL2_RX (22)
+#define PIN_SERIAL2_TX (24)
+
+// PCF8563 RTC Module
+#define PCF8563_RTC 0x51
+
+// SPI
+#define SPI_INTERFACES_COUNT 1
+#define PIN_SPI_MISO (32 + 15)
+#define PIN_SPI_MOSI (32 + 14)
+#define PIN_SPI_SCK (32 + 13)
+
+// Battery
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 2.4
+#define VBAT_AR_INTERNAL AR_INTERNAL_2_4
+#define ADC_MULTIPLIER (1.75F)
+
+#define HAS_SOLAR
+
+#define OCV_ARRAY 4080, 3990, 3935, 3880, 3825, 3770, 3715, 3660, 3605, 3550, 3490
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
@@ -0,0 +1,15 @@
+[env:muzi-base]
+extends = nrf52840_base
+board = muzi-base
+build_flags = ${nrf52840_base.build_flags}
+  -I variants/nrf52840/muzi_base
+  -D MUZI_BASE
+  -D CONFIG_NFCT_PINS_AS_GPIOS=1
+  -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m4/fpv4-sp-d16-hard"
+
+build_src_filter = ${nrf52840_base.build_src_filter} +<../variants/nrf52840/muzi_base>
+lib_deps = 
+  ${nrf52840_base.lib_deps}
+  artronshop/ArtronShop_RX8130CE@1.0.0
+
+
@@ -0,0 +1,11 @@
+#include "RadioLib.h"
+
+static const uint32_t rfswitch_dio_pins[] = {RADIOLIB_LR11X0_DIO5, RADIOLIB_LR11X0_DIO6, RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+
+static const Module::RfSwitchMode_t rfswitch_table[] = {
+    // mode                  DIO5  DIO6
+    {LR11x0::MODE_STBY, {LOW, LOW}},  {LR11x0::MODE_RX, {HIGH, LOW}},
+    {LR11x0::MODE_TX, {LOW, HIGH}},   {LR11x0::MODE_TX_HP, {LOW, HIGH}},
+    {LR11x0::MODE_TX_HF, {LOW, LOW}}, {LR11x0::MODE_GNSS, {LOW, LOW}},
+    {LR11x0::MODE_WIFI, {LOW, LOW}},  END_OF_MODE_TABLE,
+};
@@ -0,0 +1,83 @@
+#include "variant.h"
+#include "nrf.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+    // P0
+    0,
+    1,
+    2,
+    3,
+    4,
+    5,
+    6,
+    7,
+    8,
+    9,
+    10,
+    11,
+    12,
+    13,
+    14,
+    15,
+    16,
+    17,
+    18,
+    19,
+    20,
+    21,
+    22,
+    23,
+    24,
+    25,
+    26,
+    27,
+    28,
+    29,
+    30,
+    31,
+
+    // P1
+    32,
+    33,
+    34,
+    35,
+    36,
+    37,
+    38,
+    39,
+    40,
+    41,
+    42,
+    43,
+    44,
+    45,
+    46,
+    47,
+};
+
+void initVariant()
+{
+    // Initialize the digital pins as inputs or outputs
+    pinMode(PIN_LED1, OUTPUT);
+    digitalWrite(PIN_LED1, HIGH);
+
+    pinMode(PIN_LED2, OUTPUT);
+    digitalWrite(PIN_LED2, HIGH);
+
+    // Initialize LoRa pins
+    pinMode(SX126X_RESET, OUTPUT);
+    digitalWrite(SX126X_RESET, HIGH);
+
+    pinMode(SX126X_CS, OUTPUT);
+    digitalWrite(SX126X_CS, HIGH);
+
+    pinMode(GPS_EN_GPIO, OUTPUT);
+    digitalWrite(GPS_EN_GPIO, HIGH); // GPS on initially
+
+    pinMode(SCREEN_12V_ENABLE, OUTPUT);
+    digitalWrite(SCREEN_12V_ENABLE, LOW); //
+
+    pinMode(BATTERY_CHARGING_INV, INPUT);
+}
@@ -0,0 +1,192 @@
+#pragma once
+
+#ifndef _VARIANT_MUZI_BASE_
+#define _VARIANT_MUZI_BASE_
+
+/** Master clock frequency */
+#define VARIANT_MCK (64000000ul)
+
+#define USE_LFXO // Board uses 32khz crystal for LF
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+// Number of pins defined in PinDescription array
+#define PINS_COUNT (48)
+#define NUM_DIGITAL_PINS (48)
+#define NUM_ANALOG_INPUTS (6)
+#define NUM_ANALOG_OUTPUTS (0)
+
+// Define I2C Peripherals
+#define WIRE_INTERFACES_COUNT 2
+
+// this is the OLED bus
+#define PIN_WIRE_SDA (0 + 24) // P0.24
+#define PIN_WIRE_SCL (0 + 25) // P0.25
+
+// IMU bus
+#define PIN_WIRE1_SDA (0 + 04) // P0.04
+#define PIN_WIRE1_SCL (0 + 06) // P0.06
+
+#define COMPASS_ORIENTATION meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_270
+#define HAS_ICM20948 // forces the i2c address to be seen as this sensor
+
+#define HAS_RTC 1
+#define RX8130CE_RTC 0x32
+
+// LEDs
+#define PIN_LED1 (32 + 3) // P1.03, Green
+#define PIN_LED2 (32 + 4) // P1.04, Blue
+
+#define LED_BUILTIN -1 // PIN_LED1
+#define LED_BLUE PIN_LED2
+#define LED_STATE_ON 0 // State when LED is lit
+
+// Buttons
+#define HAS_TRACKBALL 1
+#define TB_UP (0 + 21)
+#define TB_DOWN (0 + 17)
+#define TB_LEFT (32 + 05)
+#define TB_RIGHT (0 + 16)
+#define TB_PRESS (0 + 10)
+#define TB_DIRECTION FALLING
+
+#define CANCEL_BUTTON_PIN (0 + 15) // P0.15
+#define CANCEL_BUTTON_ACTIVE_LOW true
+#define CANCEL_BUTTON_ACTIVE_PULLUP false
+
+// Switch
+#define SWITCH_MODE1 (32 + 9) // P1.09, Top Position
+#define SWITCH_MODE2 (0 + 12) // P0.12, Middle Position
+#define PIN_GPS_SWITCH SWITCH_MODE2
+
+/*
+ * SPI Interfaces
+ */
+
+#define SPI_INTERFACES_COUNT 1
+
+// For LORA, spi 0
+#define PIN_SPI_MISO (32 + 15) // P1.15
+#define PIN_SPI_MOSI (32 + 14) // P1.14
+#define PIN_SPI_SCK (32 + 13)  // P1.13
+
+#define LORA_SCK PIN_SPI_SCK
+#define LORA_MISO PIN_SPI_MISO
+#define LORA_MOSI PIN_SPI_MOSI
+#define LORA_CS (32 + 12) // P1.12
+
+#define USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 (32 + 6)   // P1.06
+#define SX126X_BUSY (32 + 11)  // P1.11
+#define SX126X_RESET (32 + 10) // P1.10
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 3.3
+
+#define USE_LR1121
+#define LR1121_IRQ_PIN (32 + 8)     // P1.08
+#define LR1121_NRESET_PIN (32 + 10) // P1.10
+#define LR1121_BUSY_PIN (32 + 11)   // P1.11
+#define LR1121_SPI_NSS_PIN LORA_CS
+#define LR1121_SPI_SCK_PIN LORA_SCK
+#define LR1121_SPI_MOSI_PIN LORA_MOSI
+#define LR1121_SPI_MISO_PIN LORA_MISO
+#define LR11X0_DIO3_TCXO_VOLTAGE 3.0
+#define LR11X0_DIO_AS_RF_SWITCH
+
+// GPS
+#define GPS_RX_PIN (0 + 19)  // P0.19
+#define GPS_TX_PIN (0 + 20)  // P0.20
+#define GPS_EN_GPIO (32 + 1) // P1.01
+
+#define PIN_SERIAL1_RX GPS_TX_PIN
+#define PIN_SERIAL1_TX GPS_RX_PIN
+
+#define PIN_BUZZER (0 + 22) // P0.22
+
+// Battery monitoring
+#define BATTERY_PIN (0 + 31) // P0.31
+
+// #define CHARGER_FAULT (0 + 27) // P0.27
+#define BATTERY_CHARGING_INV (32 + 02) // P1.02
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#define ADC_MULTIPLIER 1.537
+
+#define OCV_ARRAY 4050, 4010, 3990, 3930, 3870, 3820, 3740, 3630, 3550, 3450, 3100
+
+// Display - I2C display
+#define HAS_SCREEN 1
+#define SCREEN_12V_ENABLE (0 + 23) // P0.23
+#define USE_SH1107
+
+#define USERPREFS_OEM_TEXT "muzi_works_logo"
+#define USERPREFS_OEM_FONT_SIZE 0
+#define USERPREFS_OEM_IMAGE_WIDTH 88  // 11 bytes wide
+#define USERPREFS_OEM_IMAGE_HEIGHT 47 // 517 bytes total
+#define USERPREFS_OEM_IMAGE_DATA                                                                                                 \
+    {                                                                                                                            \
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF,  \
+            0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    \
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    \
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0x03, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    \
+            0xF7, 0x0F, 0xFF, 0x00, 0xF0, 0xFF, 0x0F, 0xC0, 0xFF, 0x07, 0x78, 0xFF, 0x9F, 0xFF, 0x01, 0xF0, 0xFF, 0x0F, 0xC0,    \
+            0xFF, 0x03, 0x78, 0x3F, 0xFE, 0xF3, 0x01, 0xF0, 0xFF, 0x0F, 0x00, 0xE0, 0x03, 0x78, 0x1F, 0xFC, 0xC0, 0x03, 0xF0,    \
+            0xFF, 0x0F, 0x00, 0xE0, 0x01, 0x78, 0x0F, 0xF8, 0x80, 0x03, 0xF0, 0xFF, 0x0F, 0x00, 0xF0, 0x00, 0x78, 0x0F, 0x78,    \
+            0x80, 0x03, 0xF0, 0xFF, 0x0F, 0x00, 0x70, 0x00, 0x78, 0x07, 0x70, 0x80, 0x03, 0xF0, 0xFF, 0x0F, 0x00, 0x78, 0x00,    \
+            0x78, 0x07, 0x70, 0x80, 0x03, 0xF0, 0xFF, 0x0F, 0x00, 0x3C, 0x00, 0x78, 0x07, 0x70, 0x80, 0x03, 0xF0, 0xFF, 0x0F,    \
+            0x00, 0x1C, 0x00, 0x78, 0x07, 0x70, 0x80, 0x03, 0xF0, 0xFF, 0x0F, 0x00, 0x1E, 0x00, 0x78, 0x07, 0x70, 0x80, 0x03,    \
+            0xE0, 0xFF, 0x0F, 0x00, 0x0F, 0x00, 0x78, 0x07, 0x70, 0x80, 0x03, 0xE0, 0xFF, 0x07, 0x80, 0x07, 0x00, 0x78, 0x07,    \
+            0x70, 0x80, 0x03, 0xC0, 0xFF, 0x07, 0x80, 0x07, 0x00, 0x78, 0x07, 0x70, 0x80, 0x03, 0xC0, 0xFF, 0x03, 0xC0, 0xFF,    \
+            0x07, 0x78, 0x07, 0x70, 0x80, 0x03, 0x00, 0xFF, 0x01, 0xE0, 0xFF, 0x07, 0x78, 0x07, 0x70, 0x80, 0x03, 0x00, 0x7C,    \
+            0x00, 0xF0, 0xFF, 0x07, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    \
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    \
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,    \
+            0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,    \
+            0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xE3, 0xE7, 0xC7, 0x1F, 0xF8, 0x0F, 0xF0, 0xE7, 0xE3, 0x07, 0x7C, 0xC7, 0xE7,    \
+            0xC3, 0x0F, 0xE0, 0x07, 0xE0, 0xC7, 0xE1, 0x03, 0x70, 0xC7, 0xC3, 0xE3, 0x87, 0xC1, 0x07, 0xC0, 0xC7, 0xF8, 0xE3,    \
+            0x71, 0xC7, 0xC3, 0xE3, 0xE3, 0xC7, 0xC7, 0xC7, 0x47, 0xF8, 0xF3, 0x7F, 0x8F, 0xC3, 0xF1, 0xE3, 0x8F, 0xC7, 0x8F,    \
+            0x27, 0xFC, 0xE3, 0x7F, 0x8F, 0x81, 0xF1, 0xF1, 0x8F, 0xC7, 0xCF, 0x07, 0xFE, 0x03, 0x7E, 0x8F, 0x99, 0xF1, 0xF1,    \
+            0x8F, 0x07, 0xC0, 0x07, 0xFF, 0x07, 0x78, 0x9F, 0x99, 0xF9, 0xF1, 0x8F, 0x07, 0xE0, 0x07, 0xFE, 0x3F, 0x70, 0x1F,    \
+            0x18, 0xF8, 0xF3, 0x8F, 0x07, 0xF0, 0x27, 0xFC, 0xFF, 0x71, 0x3F, 0x18, 0xF8, 0xE3, 0xC7, 0xC7, 0xF1, 0x47, 0xF8,    \
+            0xF3, 0x63, 0x3F, 0x3C, 0xFC, 0xC3, 0xC3, 0xC7, 0xE3, 0xC7, 0xF0, 0xE1, 0x71, 0x3F, 0x3C, 0xFC, 0x07, 0xE0, 0xC7,    \
+            0xC7, 0xC7, 0xE1, 0x03, 0x70, 0x7F, 0x7E, 0xFE, 0x0F, 0xF0, 0xC7, 0x87, 0xC7, 0xC3, 0x07, 0x78, 0xFF, 0xFF, 0xFF,    \
+            0x7F, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0x7E, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F,    \
+            0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,    \
+            0xFF, 0xFF, 0x7F                                                                                                     \
+    }
+
+// QSPI Pins
+#define PIN_QSPI_SCK (0 + 3)
+#define PIN_QSPI_CS (0 + 26)
+#define PIN_QSPI_IO0 (0 + 30)
+#define PIN_QSPI_IO1 (0 + 29)
+#define PIN_QSPI_IO2 (0 + 28)
+#define PIN_QSPI_IO3 (0 + 2)
+
+// On-board QSPI Flash
+#define EXTERNAL_FLASH_DEVICES W25Q32JVSS
+#define EXTERNAL_FLASH_USE_QSPI
+
+// NFC is disabled via CONFIG_NFCT_PINS_AS_GPIOS=1 build flag
+// This configures P0.09 and P0.10 as regular GPIO pins instead of NFC pins
+
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+#ifdef __cplusplus
+#endif
+
+#endif // _VARIANT_MUZI_BASE_
@@ -132,7 +132,8 @@ static const uint8_t SCK = PIN_SPI_SCK;
 #undef AREF_VOLTAGE
 #define AREF_VOLTAGE 3.0
 #define VBAT_AR_INTERNAL AR_INTERNAL_3_0
-#define ADC_MULTIPLIER 1.73
+#define ADC_MULTIPLIER 1.667
+#define OCV_ARRAY 4200, 4020, 4000, 3940, 3870, 3820, 3750, 3630, 3550, 3450, 3100

 #define HAS_RTC 1
Author	SHA1	Message	Date
Jonathan Bennett	80b7dcba11	add optional LED_LORA to indicate LoRa TX	2026-06-02 22:17:10 -05:00
Thomas GöttgensandGitHub	2438b5d813	Fix antenna switch initialization for LoRa-1262	2026-05-19 07:59:21 +02:00
Thomas GöttgensandGitHub	314fed7e03	cardputer fix backported (#10498 )	2026-05-18 22:54:30 +02:00
Jonathan Bennett	6c9505885d	Add protobuf hardwareModel for Thinknodes	2026-05-11 17:53:22 -05:00
Jonathan Bennett	aec497bb21	Add variantDefaultConfig and set eth_enabled to default true (#10454 )	2026-05-11 17:37:35 -05:00
Thomas Göttgens Jonathan Bennett Ben Meadorscopilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>caveman99	8b62be9d3a	ThinkNode M7 (#8077 ) * ThinkNode G3, ETH support WIP * ThinkNode G3, ETH support WIP * ThinkNode G3, ETH support WIP * ThinkNode G3, ETH support WIP * ThinkNode G3, ETH support WIP * ThinkNode G3, ETH support WIP * ThinkNode G3, ETH support WIP * rename variant and add guard macros * older G3 operational. M7 next. * Split out G3 and M7 to different variants. Completely new PCB design. The G3 stays on 'PRIVATE_HW' * Define button behaviour and use all of the device flash --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: caveman99 <25002+caveman99@users.noreply.github.com> Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>	2026-05-11 17:37:09 -05:00
Jonathan Bennett	d4e61f784a	Give ThinkNode-m4 a heartbeat	2026-05-06 23:18:19 -05:00
Jonathan Bennett	9dbf2f05af	Narrow backport to avoid false "charging" status	2026-04-23 22:06:11 -05:00
Jonathan Bennett	0554451103	add heartbeat blink for m6	2026-04-23 11:21:49 -05:00
Jonathan Bennett	c554785aa0	Only enable wakeup via EXT_CHRG_DETECT if we shut down due to low power	2026-04-22 22:48:18 -05:00
Jonathan Bennett GitHub Thomas Göttgens Copilot Ben Meadors Manuel	64cda52920	Cardputer beta (#10063 ) * Cardputer Kit BMI270 WIP * BMI270 support * verify that the number of bytes read matches the requested length Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * trunk'd * remove excessive logging * Kick the screen when unsleeping * Update the st7789 library, and enable displayon and displayoff * Battery detection * Default to arrow keys and enter, while in menus. * Enable Backlight control * Update src/detect/ScanI2CTwoWire.cpp Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * fix cardputer sound * Add I2S BLEEBLEs * MenuHandler ifdefs * add generic tone -> I2S RTTTL conversion * not needed --------- Co-authored-by: Thomas Göttgens <tgoettgens@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: Manuel <71137295+mverch67@users.noreply.github.com>	2026-04-10 14:32:59 -05:00
Jonathan Bennett	c4c4fe7082	Adjust pin poweroff for Thinknode M6	2026-01-30 10:06:12 -06:00
Jonathan Bennett	95a9135f26	Add Thinknode M4 variant_shutdown()	2026-01-27 09:52:52 -06:00
Jonathan Bennett	5e9d0de9ac	Deep sleep the ThinkNode M6 in low battery conditions	2026-01-23 15:57:11 -06:00
Jonathan Bennett	710fb010b4	Add pin sense to wake M6 on Solar Charge (#9416 )	2026-01-23 15:55:42 -06:00
Jonathan Bennett	4f842e3597	Filter BLE updates that don't change pairing status	2026-01-16 13:41:08 -06:00
Jonathan Bennett	b2ab6baa3b	Add interrupt for external charge detection Tested on Thinknode m4, m6, and T1000-e	2026-01-16 13:12:17 -06:00
Thomas GöttgensandJonathan Bennett	778f93e4a0	Preliminary Thinknode M4 Support (#8754 ) * Preliminary Thinknode M4 Support * oops * Fix RF switch TX configuration * trunk'd * GPS fix for M4 * Battery handling and LED for M4 * Trunk * Drop debug warnings * Make Red LED notification * Merge cleanup * Make white LEDs flash during charge --------- Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>	2026-01-14 21:43:34 -06:00
Jonathan Bennett	f377d6d405	Adds Custom battery curve for thinknode m6	2026-01-14 11:35:15 -06:00
Jonathan Bennett	676aae05d8	M6 shutdown and LEDs work	2026-01-14 11:34:39 -06:00
Jonathan Bennett	9c5540407e	In autoconf, don't probe Wire unless i2c device is set (#9081 ) Found another bit of code that crashes my desktop, by probing the wrong i2c bus.	2025-12-26 14:59:48 -06:00
Jonathan Bennett	49057e8eb7	In statusLEDModule, also detect isCharging (#9050 )	2025-12-23 20:33:07 -06:00
Jonathan Bennett Ben Meadors Copilot	e708ec073c	More blinkenlights work for Thinknode-m3 (#8940 ) * More blinkenlights work for Thinknode-m3 * Update src/mesh/NodeDB.cpp Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2025-12-17 21:13:38 -06:00
Jonathan Bennett	f3671a2c06	Enable Muzi-base LED notification (#8925 )	2025-12-17 21:13:33 -06:00
Jonathan Bennett	573677f352	Properly turn off power pins at shutdown for m3 (#8935 )	2025-12-17 21:12:22 -06:00
Jonathan Bennett GitHub simon-muzi Jason P	42e56ae926	R1 Neo - Added OCV_ARRAY from measured discharge curve testing + update ADC multiplier (#8716 ) (#8840 ) * Added OCV_ARRAY from measured discharge curve testing and update ADC multiplier The ADC resistor divider ratio is 0.6 -> multiplier should be 1/0.6 ~=1.667 We data logged a full discharge curve at constant 100mA draw over 15hours to get a realistic voltage curve for battery SoC measurements. * Remove power.h in favor of variant.h --------- Co-authored-by: simon-muzi <simon@muzi.works> Co-authored-by: Jason P <applewiz@mac.com>	2025-12-02 09:49:19 -06:00
Jonathan Bennett	d2539956a9	Use LED_CHARGE and LED_PAIRING for M6 led control (#8742 )	2025-11-25 15:11:51 -06:00
github-actions[bot]Jonathan Bennett caveman99	cb6e8be034	Update protobufs (#8707 ) Co-authored-by: caveman99 <25002+caveman99@users.noreply.github.com>	2025-11-25 15:08:16 -06:00
Thomas GöttgensandJonathan Bennett	bcd3e9f650	Add Thinknode M6	2025-11-25 15:07:36 -06:00
Jonathan Bennett	1b2b1b785f	Add support for muzi-base	2025-11-25 14:58:13 -06:00
Jonathan Bennett Ben Meadors Copilot	1e93126888	Thinknode M3 support against master (#8630 ) * Add variant_shutdown() as a week function in main-nrf52.cpp * Add Status LED module * Add Thinknode M3 support * Catch case of BLE disabled * Update src/modules/StatusLEDModule.cpp Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update src/modules/StatusLEDModule.cpp Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update variants/nrf52840/ELECROW-ThinkNode-M3/rfswitch.h Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Remove unused pin * M3 pairing LED only active for 30 seconds after state change * Thinknode M3 shutdown work --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2025-11-24 16:54:31 -06:00