NeoPixel Rainbow Ring Pendant
thingiverse
I'm designating a 16 pixel NeoPixel Ring from Adafruit to function as a pendant. Electronics - NeoPixel Ring 16 (www.adafruit.com/product/1463) - Arduino Pro Mini 3.3V (www.sparkfun.com/products/11114) - Battery CR2032 with modification from www.thingiverse.com/thing:79502 - micro switch measuring 8mm by 3mm by 3mm - some wire Source code can be found at https://github.com/achorein/rainbowring-arduino. Have fun experimenting!
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