Mini BART-style station display shows real-time train arrivals at home. ESP32 + Node.js middleware parses BART GTFS feed and serves lightweight data to the display. 3D-printed shell, red OLED, and ...
The Cheap Yellow Display (CYD) is an ESP32 development board that’s been making the rounds for a while now, thanks to its value and versatility. For around $10 USD, you get a nicely integrated package ...