PRODUCT ID: 2306
Discontinued - you can grab Day of the Geek Soldering Badge instead! Scary. Solar. Skull-y. The Solar Powered SKULL Blinky LED Pendant...
Discontinued - you can grab Day of the Geek Soldering Badge instead! Scary. Solar. Skull-y. The Solar Powered SKULL Blinky LED Pendant by Lumen Electronic Jewelry is an awesome new kit where, with a little soldering, you can make a battery-less blinking skull. That's right, there's no coin battery! Instead, a 1 Farad super capacitor is used to store energy. It takes around an hour to make and, when you finish, you can...