Circuit diagrams and firmware source code for Gboard DIY keyboards
ESP8266/ESP32 and WS2812B LED Matrix based PixelArt display
Device Manager for ONVIF-based Network video devices.
An open source VR headset with SteamVR supports for $200
Data aquasition software for Thurlby DSA524
LED Color Control System for RaspberryPi and Dreambox