80286 ATX mainboard based on the IBM 5170 AT PC(github.com)121 points by magicalhippo 1 year ago | 62 comments
ESP32 Wemos D1 Mini – Sprinkler Controller Open Source(github.com)66 points by pcbmaker20 3 years ago | 26 comments
Circuit diagrams and firmware source code for Gboard DIY keyboards(github.com)22 points by zdw 2 years ago | 4 comments
Velxio 2.0 – Emulate Arduino, ESP32, and Raspberry Pi 3 in the Browser(github.com)172 points by dmcrespo 7 months ago | 47 comments