This video will show you a step by step guide on getting from an old E-Paper Price tag to a Zigbee controlled graphic display with just about 3 parts.

It allows you to upload a unique image to each of the E-Paper displays via Zigbee without any hardware modification and just the custom firmware


URLS:
ZBS_Flasher: https://github.com/atc1441/ZBS_Flasher
CC.Flash: https://github.com/atc1441/CC.Flash
epaper-station: https://github.com/danielkucera/epape...


Thinks you need:
- The old E-Paper price tag itself
- CC2531 Zigbee USB Stick
- ESP32 or other Arduino board
- Pogo pins, as mentioned in the ZBS_Flasher repo


Dmitrys firmware blog:
http://dmitry.gr/?r=05.Projects&proj=...
http://dmitry.gr/?r=05.Projects&proj=...