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AustinandGitHub 0abd3cdde8 ESP32: Take away "tbeam" boards PSRAM to reclaim iram (#10036)
You read that right! Disable PSRAM on the ttgo-tbeam board to reclaim *iram*.

ttgo-tbeam.json is a copy of https://github.com/platformio/platform-espressif32/blob/v6.13.0/boards/ttgo-t-beam.json with HAS_PSRAM removed.

PSRAM support on OG-ESP32 involves a lot of iram usage thanks to iram-heavy workarounds that have been added to address hardware bugs.

See https://docs.espressif.com/projects/esp-idf/en/v4.4/esp32/api-guides/performance/ram-usage.html#optimizing-iram-usage
2026-03-30 13:20:19 -05:00

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; The original TBEAM board without the AXP power chip and a few other changes
[env:tbeam0_7]
custom_meshtastic_hw_model = 6
custom_meshtastic_hw_model_slug = TBEAM_V0P7
custom_meshtastic_architecture = esp32
custom_meshtastic_actively_supported = false
custom_meshtastic_display_name = LILYGO T-Beam V0.7
custom_meshtastic_tags = LilyGo
board_level = extra
extends = esp32_base
board = ttgo-tbeam
build_flags =
${esp32_base.build_flags}
-D TBEAM_V07
-I variants/esp32/tbeam_v07