Framed Washington Metro map uses Raspberry Pi Pico W and WMATA departure API to light 144 LEDs live. Laser-cut matboard masks 144 LEDs; data refreshes so you can see every train's position from home.
Raspberry Pi models vary in power and capability, with the Pi 5 being the most powerful. Each model is suited to different projects, such as a Pi 4 for Home Assistant servers and a Pi 3 for ...