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ESP32-S3 1.28in. LCD Smartwatch

LOL this is of course completely not intended to be useful, I just want blinky lights.

Setup

Roughly Following: https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-1.28

  1. Install Arduino IDE
  2. Add https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json to the additional board url
  3. Install the esp32 board from the boards manager (espressif not arduino is the publisher)
  4. Restart Arduino IDE
  5. Install the "TFT_eSPI" and "lvgl" libraries
  6. Select the "ESP32S3 Dev Module" as the board
  7. Change the flash size to "16MB (128Mb)"
  8. Change the PSRAM to "QSPI PSRAM"

Docs

Display API - https://www.waveshare.com/wiki/1.28inch_LCD_Module#Upper_application

Paint_*
commands add to the current framebuffer image
LCD_1IN28_Display
Send the current framebuffer image to be rendered to the screen and then clears its contents to black
LCD_1IN28_DisplayWindows
Updates a specific region of the current screen with the matching region of the framebuffer. Then clears the framebuffer contents to black (the entire thing, not just the region specified)