This is one of my first PCB designs I've done. It uses an ATTiny45 to drive 20 individually adressable charlieplexed LED's. I made the PCB in the shape of a Christmas tree and it hangs on a Christmas tree as an ornament. A terribly GEEKY one. :slight_smile: I have more details on my website . Ju…

ATTiny powered Charlieplexed Christmas Tree Ornament

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