Two or four LED sequins are wired in parellel with the coincell battery. Stitch postitive traces to SW and negative traces to Gnd on the coincell breakout. Practically, inside the bow tie, the stitched threads will form a shape something like this:
This guide was first published on Feb 25, 2015. It was last updated on Feb 25, 2015.
This page (Circuit Diagram) was last updated on Feb 23, 2022.
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