Instructables: exploring - technology - science - led - thief - popular http://www.instructables.com Thu, 18 Dec 2014 20:51:20 PST BLOX v1.01 Make a Joule Thief http://www.instructables.com/id/Make-a-Joule-Thief/
Make a Joule Thief - More DIY How To Projects]]> http://cdn.instructables.com/FM0/49GT/FCEILXR3/FM049GTFCEILXR3.SQUARE2.jpg http://cdn.instructables.com/FM0/49GT/FCEILXR3/FM049GTFCEILXR3.SQUARE.jpg http://cdn.instructables.com/FM0/49GT/FCEILXR3/FM049GTFCEILXR3.SMALL.jpg 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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