ESPHome on the Interstate75 RGB Matrix Display

Seems to work! Tad flickery. Uses both cores of the Pico to prevent ESPHome from interfering with the bitbanging loop. Tried to use PIO but got confused.

external_components:
  - source: github://AaronJackson/interstate75-esphome@main
    components: [ hub75display ]
    refresh: 0s

font:
  - file: "gfonts://Roboto"
    id: roboto12
    size: 12

display:
  - platform: hub75display
    id: mydisplay
    update_interval: 1s
    lambda: |-
      Color red = Color(255, 0, 0);
      Color green = Color(0, 255, 0);
      Color blue = Color(0, 0, 255);
      Color white = Color(255, 255, 255);

      it.draw_pixel_at(0, 0, red);
      it.draw_pixel_at(63, 0, green);
      it.draw_pixel_at(63, 63, blue);
      it.draw_pixel_at(0, 63, white);

      it.draw_pixel_at(31, 31, white);

      it.circle(31, 31, 16, white);
      it.rectangle(3, 3, 16, 16, white);

      it.print(4, 50, id(roboto12), "Hello");