Wear 'em!

Enjoy your precious jewels! Each circuit weighs a measly 11.39 grams! Keep them out of the rain, and switch off when not in use.

The first version of the GEMMA board did not include a power switch — if using one of these, you’ll need to unplug the battery to switch the circuit off.

This guide was first published on Sep 18, 2013. It was last updated on Sep 18, 2013. This page (Wear 'em!) was last updated on Aug 17, 2019.