# Eink display controlled by esp32

Project to try out the embedded coding scene.
Control an https://www.waveshare.com/product/4.2inch-e-paper-module.htm with an esp32 (ESP32-S3-DevkitC-1).
Shows the current time on the display.


# goals
Learn what embedded programming is like
Control the Eink display
Show a clock on the eink screen


## Eventual features
3d printed case
over the air updates


## Build steps
- Install ESP_IDF https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/get-started/linux-macos-setup.html#get-started-linux-macos-first-steps
- Run `get_idf`
- ? Cmake or something
- 



# links
https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/hw-reference/esp32s3/user-guide-devkitc-1.html
https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/get-started/index.html
Step 5: https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/get-started/linux-macos-setup.html#get-started-linux-macos-first-steps


http://essentialscrap.com/eink/ Gaat ook specifiek over mijn display unit.


# Notes
Display I have isn't easy to control. I'd need a controller chip or something. Or 


# Todo
Buy a new screen; maybe with raspi header and control it from the ESP.
2. https://www.waveshare.com/product/4.2inch-e-paper-module.htm

Choice between uart & SPI too...