This video explains how to set up the Adafruit neopixel ring with an Arduino (Adafruit Arduino Gemma). It shows how to wire it up, how to install the neopixel library, how to work the neopixel code, and how to upload to the Arduino Gemma.
Neopixel Library:
https://github.com/adafruit/Adafruit_NeoPixel
Set up Arduino Gemma on Arch Linux:
Wiring Diagram:
https://drive.google.com/file/d/0Bx_94ujbh0qoNTNzcHFUa3hOb28/view?usp=sharing
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