The Pi Zero is a great piece of hardware, even if you’re not designing another USB hub for it. [Marcel] wanted to control a few RGB LED strips from his phone, and while there are a lot of fan… ...

If you have a Raspberry Pi connected to an LED matrix, you might think about creating a simple oscilloscope. Of course, the Pi isn’t really well-suited for that and neither is an LED matrix, so ...

If you want to use many colors, you'll need to purchase an RGB LED matrix. These come in different sizes, such as 16x32, 32x32, 64x32, 64x64, and more.

Vcc Labs has created a Raspberry Pi RP2040-powered RGB LED matrix that's super small and powered via USB Type-C.