For his Hand of Ragnaros, Sulfuras prop, Bill wires together a bunch of Neopixel lights to attach to an Arduino. This will create a neat pulsing effect for his World of Warcraft weapon!

Thanks to my brother Rob for the help!

Thanks to Adafruit for the electronics!

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This build is based on the light up mace in this video by Adafruit.

The lights are Neopixel Jewels

Arduino is the Trinket Pro

Prototyped on an Arduino Uno