Resembling something straight out of a Halo game, this custom-built zapper is designed to startle bears in the wild with a ...

If you ever find yourself in the position of teaching someone about electronics, remember this project. Sometimes aesthetics can make a dull simple project take on a life of its own.

The circuit is a simple one, and a classic ... The whole circuit is built on top of a battery clip so it can be run straight from the top of a standard 9 volt battery. It’s a circuit you ...