Circuit Diagram

DotStar strips connected to pins 3 and 4 and 6 and 8. Membrane keypad buttons connected to pins 12, 11, 10, and 9. Battery connected via USB port.

This guide was first published on May 27, 2015. It was last updated on May 27, 2015. This page (Circuit Diagram) was last updated on Oct 22, 2019.