Hackaday: Digital Etch-A-Sketch Also Plays Snake. “The build relies on an Inkplate e-paper screen as a display, which is probably as close you can get in appearance to the aluminium dust and glass screen used in an Etch-a-Sketch. The display is hooked up to an ESP32 microcontroller, which is charged with reading inputs from a pair of rotary encoders.”
https://rbfirehose.com/2025/08/14/hackaday-digital-etch-a-sketch-also-plays-snake/