Give Dead Batteries Another Life with the Vampire Flashlight
The Vampire Flashlight combines the popular Joule Thief hobby circuit with a few common components to power "high flux" LEDs with batteries considered "dead" for most applications. Watch how with this latest episode of Weekend Projects!
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MAKE Magazine and Instructables.com's Blog
MAKE Magazine and Instructables.com isn't a Goodreads Author
(yet),
but they
do have a blog,
so here are some recent posts imported from
their feed.
