/challenges-projects/design-challenges/hats-off/b/blog/posts/gasmask-mod-building-the-brainsOK. Building the brains. First thing was to figure out the code for the neopixes. I dug through the various adafruit tutorials. Found how to use the adafruit neopixel library using the uber-guide and pixel ring projects. Next bit was to figure out hoen-USTelligent Community 12