Use GEMMA’s onboard on/off switch to toggle the circuit’s power. This project is fun with or without electronics, make one to fit your costume's style!

Consider further protecting the circuit with a coating or covering if you plan to be very active/sweaty or in wet conditions. Tips on that can be found in this video:

This guide was first published on Aug 05, 2015. It was last updated on Aug 05, 2015.
This page (Wear it!) was last updated on Aug 09, 2020.