Here is the circuit of a compact hand powered generator that can awake little electronics by hand crank. This is a great vacation device that you can rely on to operate your small electronics. The ...

Everyone loves to play with electricity and plasma, and [Hyperspace Pirate] is no exception. Inspired by a couple of 40×20 N52 neodymium magnets he had kicking around, he decided to put together a ...

Between battery packs, solar chargers and even wood stoves that produce electricity, there are plenty of ways to power devices when in the wild. But there’s something reassuring about the ...