Circuit Diagram

This diagram uses the original Gemma but you can also use the Gemma M0 with the exact same wiring!

Click to enlarge.

  • One end of soft potentiometer is stitched to GEMMA GND
  • Other end of soft potentiometer is stitched to GEMMA 3V
  • Slide charm on soft pot is stitched to GEMMA A1 (also marked D2)
  • NeoPixels - connected to GEMMA GND
  • NeoPixels + connected to GEMMA Vout
  • First NeoPixel data in (arrow pointing inward) connected to GEMMA D1
  • Battery pack connected to JST port
This guide was first published on Feb 11, 2015. It was last updated on Feb 11, 2015. This page (Circuit Diagram) was last updated on Jul 18, 2019.