Go Cybergoth this Halloween with this Adafruit NeoPixel Punk Collar tutorial.

Get your cybergoth on with five color-changing NeoPixels studded onto a leather collar. The tiny GEMMA microcontroller can display endless animations on this fun funky accessory that’s easy to make with a little soldering!

You will need:
GEMMA mini Arduino-compatible microcontroller (can also substitute Trinket)
through-hole NeoPixels
leather collar or cuff
150mAh rechargeable lipoly battery and charger
solderless breadboard and alligator clips for prototyping
soldering iron and solder
solid core or stranded wire (20 to 26 gauge)
helping third hand tool
pliers
wire strippers
flush diagonal cutters
awl or other pointy tool to pierce leather
sharp utility knife
cutting mat
ruler
marking pen/pencil
gaffer tape or other material to protect battery
velcro tape to secure battery to collar

Full tutorial