Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to ...

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.

All of that isn't to say that Raspberry Pis are bad, or that you should never use them. On the contrary, if you have one ...

Despite the Commodore 64 having been out of production for probably longer than many Hackaday readers have been alive, its ...