This videos shows how I got from an undocumented TN2115S2 SoC to a full custom firmware on the:
Waveshare Passive NFC E-Paper display
Source Code Repository:
https://github.com/atc1441/Waveshare_...
There are multiple different sizes available and all seems to use the same SoC inside
https://www.waveshare.com/2.13inch-nf...
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