It's an e-ink display powered by a Raspberry Pi RP2040, which you can set up as a cool name tag to show everyone you meet at your next conference. Once you're done, you can probably adapt this ...

It’s probably just a question of time, or you could check out the Arduino sketches for the LILYGO T5 that relies on the same 2.13-inch e-Paper display.

It also has a few key changes from the original DIY project. Instead of a Raspberry Pi Zero 2W, the Zerowriter Ink uses an ESP32 microcontroller and runs Arduino code. And instead of a 4.3 inch ...