Circuit Diagram

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

Compontent Connections

The illustration above is a visual reference of the components and wiring. GEMMA micro-controller is the main board that runs the NeoPixel rings and laser diode. To power this circuit, a slide switch adapter is connected in between a rechargable 500mAh lithium polymer battery and GEMMA.

The two NeoPixel rings share the same data(D0), power(VOUT) and ground(GND) pins on GEMMA. The laser diode power is connected to 3V and GND on GEMMA.

Follow the circuit diagram and walk-through the assembly instructions to wire and connect the components together. 

 3D Printing Arduino Code 

This guide was first published on Oct 02, 2014. It was last updated on Sep 27, 2014.

This page (Circuit Diagram) was last updated on Sep 27, 2014.

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