Initial version for submission - needs fixes.

Author: troyhacks

usermods/M5Stack_CoreS3_Display/readme.md

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+# M5Stack Core S3 Display Usermod
+
+Display usermod for the ILI9342C 320x240 TFT display on the M5Stack Core S3, using LovyanGFX.
+
+## Pin Mapping (M5Stack Core S3)
+
+| ESP32-S3 | ILI9342C | Description     |
+|----------|----------|-----------------|
+| G37      | MOSI     | SPI Data        |
+| G36      | SCLK     | SPI Clock       |
+| G3       | CS       | Chip Select     |
+| G35      | DC       | Data/Command    |
+
+Reset is controlled via the AW9523B GPIO expander (P1_1). Backlight is powered via AXP2101 PMU (DLDO1).
+
+## Building
+
+In `platformio_override.ini` for your M5Stack Core S3 environment:
+
+```ini
+build_flags =
+    -D USERMOD_M5STACK_CORE_S3_DISPLAY
+
+lib_deps =
+    https://github.com/lovyan03/LovyanGFX
+```
+
+## Features
+
+- SSID and IP address in header bar
+- 16-band graphic equalizer bars (differential drawing)
+- Real audio reactive data when Audioreactive usermod is enabled
+- Simulated bouncing bars when no audio data
+- Rainbow color per bar (red → violet)
+- Auto sleep after 5 minutes of inactivity
+
+## Display Notes
+
+- Uses LovyanGFX with `SPI3_HOST` (HSPI)
+- Native landscape 320x240 resolution
+- BGR color order, display inversion enabled
+- Backlight always on (controlled by AXP2101 DLDO1)