Joule Thief flashlight

Joule Thief flashlight

Maker Jimmie Rodgers posted this flashlight variation of the Joule Thief to the MAKE Flickr pool.

Joule Thief – Link


  • Make a Joule Thief – Weekend Projects Video Podcast – Link
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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at

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