this is a very first look at an ongoing project to reuse these 3000 old Segment E-Paper Pricetags.
The main SOC will be flashed with a custom firmware to then drive each display via UART from Arduino / ESP32
Link to GitHub to the ZBS243 Flasher tool:
https://github.com/atc1441/ZBS_Flasher
Follow me on twitter:
https://twitter.com/atc1441