Ancient | brickdoom @ancientjames | Uploaded August 2022 | Updated October 2024, 1 hour ago.
Doom running on (an RP2040 stuffed into) a Lego brick.
The display is a 1bpp 72x40 oled; greyscale is achieved by flicking between 3 contrast levels.
It's very challenging matching exposure to this refresh rate, hence the horrible video quality.