A simple step by step tutorial on Gemma Kit made for GDG DevFest.
Step 1 - Created my "hello world" for Gemma
Step 2 - Changed the color of the NeoPixel
Step 3 - Made the light blink
Step 4 - From just blinking to breathing light
Step 5 - After breathing in/out, it changes color
Step 6 - Added 3 more NeoPixels
Step 7 - Breathing light and the colors alternate