This diagram uses the original Gemma but you can also use the Gemma v2 or M0 with the exact same wiring!
GEMMA Vout -> NeoPixel Ring Vcc and single FLORA pixel +
Last updated on 2017-09-11 at 07.54.53 PM
Published on 2013-10-02 at 12.21.46 PM
GEMMA D1 -> NeoPixel Ring Data IN
GEMMA GND -> NeoPixel Ring Gnd and single FLORA pixel -
NeoPixel Ring Data OUT -> single FLORA pixel inward-facing arrow