This decorative skull design uses a simple transistor circuit to make the LED eyes flash in an alternating pattern.
A great way to get into electronics while learning the noble art of soldering. As an added bonus, you will end up with a fun wearable badge at the same time!
Includes a circuit board, lapel pin, battery holder, and electronic components. The only additional tools you will need are a soldering iron, solder, and some side cutters. Requires CR2032 battery (sold separately).