Basically any "Arduino compatible" that runs an 8-bit AVR with an 8-16MHz clock will work. Additionally, the Arduino Due and Teensy boards are compatible with the Neopixel lin.

You are stuck at home quarantined and you want to do some Arduino projects. The problem is you don’t have all the cool devices you want to use. Sure, you can order them, but the stores are sl… ...

So he thought of experimenting with those, and built a ‘Binoctular’ LED clock which uses the Neopixel rings as 7 segment displays. Each digit is made using one pair of Neopixel rings, stacked ...