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 ...

Have you ever found yourself wishing for a development board that packs a punch without taking up too much space? Whether you’re a DIY enthusiast tinkering with your next big idea, a student eager to ...