Filed under: adafruit learning system, bluefruit, bluetooth, CircuitPython, iOS, iPhone, LEDs, microcontrollers, Mu, NeoPixels, tutorials, wearables — 
Tags: android, app, badge, bluefruit, bluetooth, BTLE, color, conference, control, convention, costume, diy, erin st blaine, erinstblaine, Iphone, lanyard, light, light up, Make, neopixel, smart phone —