diff --git a/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/pins_arduino.h b/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/pins_arduino.h
new file mode 100644
index 0000000..a717a37
--- /dev/null
+++ b/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/pins_arduino.h
@@ -0,0 +1,24 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+static const uint8_t TX = 21;
+static const uint8_t RX = 20;
+
+static const uint8_t SDA = 1;
+static const uint8_t SCL = 0;
+
+static const uint8_t SS = 8;
+static const uint8_t MOSI = 7;
+static const uint8_t MISO = 6;
+static const uint8_t SCK = 10;
+
+static const uint8_t A0 = 0;
+static const uint8_t A1 = 1;
+static const uint8_t A2 = 2;
+static const uint8_t A3 = 3;
+static const uint8_t A4 = 4;
+static const uint8_t A5 = 5;
+
+#endif /* Pins_Arduino_h */
\ No newline at end of file
diff --git a/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/platformio.ini b/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/platformio.ini
new file mode 100644
index 0000000..d04d8a8
--- /dev/null
+++ b/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/platformio.ini
@@ -0,0 +1,27 @@
+; ESP32 C3 Super Mini Development Board
+; https://www.espboards.dev/esp32/esp32-c3-super-mini/
+[env:esp32c3_moonshine_mv]
+
+extends = esp32c3_base
+board = esp32-c3-devkitm-1
+board_level = pr
+build_flags = 
+  ${esp32c3_base.build_flags}
+  -D PRIVATE_HW
+  -I variants/esp32c3/diy/esp32c3_moonshine_mv
+monitor_speed = 115200
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 921600
+
+
+; ------------------- Flash 核心配置 -------------------
+; 1. Flash 容量（根据硬件实际值改，常见 4MB/8MB）
+board_build.flash_size = 4MB
+; 2. Flash 模式（ESP32-C3 推荐 dio）
+board_build.flash_mode = dio
+; 3. Flash 时钟频率（ESP32-C3 推荐 80MHz）
+board_build.flash_freq = 80MHz
+
+; （可选）上传时的 Flash 配置（和上面保持一致即可）
+board_upload.flash_size = 4MB
diff --git a/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/variant.h b/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/variant.h
new file mode 100644
index 0000000..f0ee814
--- /dev/null
+++ b/code/firmware/variants/esp32c3/diy/esp32c3_moonshine_mv/variant.h
@@ -0,0 +1,34 @@
+#define BUTTON_PIN 9
+
+// LED pin on HT-DEV-ESP_V2 and HT-DEV-ESP_V3
+// https://resource.heltec.cn/download/HT-CT62/HT-CT62_Reference_Design.pdf
+// https://resource.heltec.cn/download/HT-DEV-ESP/HT-DEV-ESP_V3_Sch.pdf
+
+
+#define LED_POWER 12    // LED
+#define LED_STATE_ON 1 // State when LED is lit
+
+#define HAS_SCREEN 0
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define TX_GAIN_LORA 8
+#define SX126X_MAX_POWER 22
+
+#define USE_LLCC68
+#define LORA_SCK 10
+#define LORA_MISO 6
+#define LORA_MOSI 7
+#define LORA_CS 8
+#define LORA_DIO0 RADIOLIB_NC
+#define LORA_RESET 5
+#define LORA_DIO1 3
+#define LORA_DIO2 RADIOLIB_NC
+#define LORA_BUSY 4
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_BUSY
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
\ No newline at end of file