Instructables: exploring - photos - light - altoids - solder Sun, 2 Aug 2015 21:43:20 PDT BLOX v1.01 Altoids Joule Thief Flashlight cynical_chemical A flashlight i made out of a simple joule thief circuit, 2 ultra brite LED's, and a dead battery.
By: cynical_chemical

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Tue, 11 Aug 2009 15:16:58 PDT
Free Cold Cathode Lighting Xellers This is a description of how I made a small cold cathode lamp for free. I hope you enjoy it! Scanners use cold cathode lamps to illuminate the images that they are scanning so that a special IC (Integrated Circuit) can scan them. In most cases, when a scanner breaks, part of its scanning and/or com...
By: Xellers

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Sat, 14 Jun 2008 11:19:30 PDT