SquachWatch is a firmware for the Cheap Yellow Display that gamifies detecting things like Flock Cameras, Trackers, Meta Glasses and so much more!
LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional editor and tooling.
Open-source ESP32 educational game console firmware — 40 games, two-player play over BLE, CYD touchscreen, browser flasher, no telemetry https://hackaday.io/project/206948-braino-a-40-game-learning-console-on-a-cyd