https://youtu.be/WYjC-jPgky8
Use a Gemma M0 and a couple of LEDs to make this Princess Peach / Bowsette inspired LED Gemma crown!
Guide: http://lear...n.adafruit.com/bowsette
The crown is 3d printed in flexible material, making it easy for cut or sew onto fabrics, perfect for cosplay.