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.

The new hardware, MATRIX Voice, brings development of voice-control apps to the Raspberry Pi, or the standalone platform.

Arduino enthusiasts interested in creating a changeable RGB LED matrix might be interested in the new Pixie Chroma displays created specifically for the Arduino platform by the engineers and ...