How to drive many LEDs with few pins arduino

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How to drive many LEDs with only few pins: Charlieplexing

by Alessandro Matera | Jan 3, 2020 | Hardware, KeyChainino, Software

The KeyChainino arkanoid-like game is based on a ball that bouncing on the “screen” (matrix LEDs) and a paddle used to avoid the falls of the ball in the bottom part of the screen. The heart of the sketch is the function enabled by the overflow of the...

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