Arduino UNO R3 + NeoPixel ring + Rotary Encoder = Something Nice Learn how to use NeoPixel rings with Arduino UNO and a rotary encoder. NeoPixels are great, because you need only one data wire to ...

A fun fidget thing made with Arduino IDE with Neopixels - Ordinary3/Rotary-Encoder-NeoPixel-Fidget ...

The main components are the Adafruit Trinket M0 microcontroller and the EC11 rotary encoder itself. To provide nice visual feedback he added in a NeoPixel ring, but that’s not strictly necessary ...