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.

Bluetooth is everywhere, but it’s hard to inspect. Most of the magic is done inside a Bluetooth controller chip, accessed ...

There’s a seemingly unending list of modifications or upgrades you can make to a 3D printer. Most revolve around the ...