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

Okay, get set -- all soldering will be done on the back side of the GEMMA and Jewel. Notice I've used the same color wire for all three connections on my finished piece to coordinate with the felt. Wire can be beautiful!

GEMMA --> Jewel

  • D1 --> Data In
  • GND --> GND
  • Vout --> Power

This guide was first published on Mar 30, 2015. It was last updated on Apr 17, 2024.

This page (Circuit Diagram) was last updated on Mar 28, 2015.

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