Download Gerber Files here... zip them and upload them to your favorite PCB maker

https://github.com/Uspizig/EinkKeyboard/tree/main/GerberFiles

If you want to change stuff: You may find complete KiCad files as well here: 

https://github.com/Uspizig/EinkKeyboard/

Klick this Video to shorten the Time: Link

And buy all the parts listed

The most difficult part to solder is on the bottom side the eink connector.

If you never soldered such fine stuff with 0.5mm ask someone for help.

The first step to solder is the EINK Part This should look like this:

Start first with the ESP32 and the programming connector.

Try to check with one led if everything is working.

Time to add the rest of the parts

Your finished board should look like this.