A couple of Adafruit customers decided to make costumes for their children that would stop traffic. Abrennr and amerasu both crafted traffic light costumes using NeoPixels and shared photos of their work (and their in progress sketches) in the forums. Abrennr used three NeoPixel rings and “used a different pin on the Flora for each NeoPixel ring, and just turned them all off and on as needed so that only one ring is ever lit at one time. Works great with my 3.3v battery pack!” You can see them in action in the below video:
Photo via amerasu – see video of this traffic light at Instagram.
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