- NeoPixel strip ground to Gemma GND/ground.
- NeoPixel strip Din to Gemma D1.
- NeoPixel strip +5V to Gemma Vout.
- IR receiver signal pin (left-most pin when receiver is facing you) to Gemma D2.
- IR receiver ground pin (middle pin) to Gemma GND/ground.
- IR receiver power pin (right-most pin when receiver is facing you) to Gemma 3Vo.
This diagram uses the original Gemma but you can also use the Gemma M0 with the exact same wiring!