This is a hacky PlatformIO project in which Home Assistant data is displayed in an e-ink display.

Useful Links

• Display Hardware on Tindie
• Official GitHub repo for the display
  • Display datasheet
  • Pin definitions in code
• Great resource at cale-idf wiki on GitHub
• vroland/epdiy: A driver library for eink displays
  • Supports our display

Dev Notes

epdiy

Error:

.pio/libdeps/esp32dev/epdiy/src/epd_driver/pca9555.c:3:27: fatal error: hal/i2c_types.h: No such file or directory
compilation terminated.
*** [.pio/build/esp32dev/lib9c8/epdiy/epd_driver/pca9555.c.o] Error 1

Manually open these files and comment out the #include lines. See GitHub issue.

m5stack

• Incompatible arduino-esp32
  • PlatformIO issue
    • Links to a GitHub repo with the hello world that works
    • This works, but I had to delete the whole ~/.platformio dir and restart VSCode, otherwise there are some cryptic compilation errors
  • GitHub issue (not m5stack specific)