A Wearable Song Count-in Device by Dustin Drenk List of Materials for Build One hollow athletic wristband One hollow athletic headband Soldering Iron/Electronics Solder Stable Soldering Clamp Hot Glue Gun Multimeter Two dual 3V Watch Battery Enclosures; 6V Each for a total of 12V Four CR2032 3V Watch Batteries Electrical Tape Two Feet of Insulated…
