YouTuber built 30-frame-per-second grayscale Game Boy, then open sourced it for all e-paper displays

Sure, running emulated Game Boy games at 30 fps with four shades of gray on an E Ink screen is cool, but you know what's cooler? A custom open source E Ink driver that could theoretically let any display do the same thing. YouTuber Bo Made It published a video last week demonstrating what he calls the InkBoy on a tiny ESP32-S3-powered e-paper board. It looks just about as good as the old-fashioned olive-green screen on the original Game Boy, which isn’t saying much, but it’s an impressive feat to make this work on a cheap stock e-paper screen. For those who haven’t owned an e-reader, E Ink displays are great at what they’re designed for. They can retain what's on the screen without continuously consuming energy by using electrical pulses to move charged pigment particles within individual pixels, enabling them to store the screen state physically. …