Making a BlinkM reindeer ornament

Arduino Home Technology

I uploaded a red and green blinking pattern to my BlinkM programmable LED, hooked it up to some AA batteries, and shoved it up the reindeer’s nose. (Well, technically into the back of his head.) My wife saw it hanging on the tree and said it looked more demonic than cute. Maybe that’s because of the glowing eyes and hideous grin.

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John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at and twitter/IG @johnedgarpark

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