We love close-up pictures of intricate work, and [w] hits the spot with a tiny joule thief in a fuse case (social media post, embedded below) powered by an old coin cell from a watch. It’s so tiny!

Let's get started! Hummm, you probably encountered a joule thief before. Lucky for you I have a more detailed guide about making a simple joule thief found here: Making A Simple Joule Thief (made ...

By wiring a circuit called a “joule thief,” you can tap the last of that power to light a white LED. The circuit boosts the dwindling voltage but delivers it in pulses too rapid to see.

In this video a child uses aluminum cans to make a very small and simple battery. This type of battery, known by its nickname as a joule thief, is being used by T.H Culhane to create a plan to ...

Related: HOW TO: Make a stunning wooden table with glow-in-the-dark resin infill If you want a voltage booster, connect a Joule Thief circuit to the DC output of the CPU fan. Then, all you need ...