Instructables: exploring - technology - science - led - thief - popular Tue, 2 Sep 2014 02:15:30 PDT BLOX v1.01 Make a Joule Thief
Make a Joule Thief - More DIY How To Projects]]> 1up Yes, it's the infamous Joule Thief, in Instructable form! For those of you who don't know, the Joule Thief is a tiny little circuit that allows you to drive a white or blue LED from voltages as low as 0.5 volts. You think those batteries are dead? Don't throw them out yet! Hook them up to the Joule ...
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Thu, 14 Feb 2008 21:05:44 PST