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from Instructables.com

Today I am showing you how to make a very simple joule thief. A joule thief has many applications, the best gadget that I made with was a "Water Powered Lamp", soon I'm going to post on a guide about it but first I need to post this guide. I used an iPhone 4S as my camera :)))  What Is A Joule Thief ? To simplify everything, a "joule thief" is a circuit that helps drive an LED light even though your power supply is low. What can we do with it? We can use it to squeeze...

The Joule Thief: A prepper's best friend for dead or homemade batteries. Learn how to take a few cents worth of parts (or scrounge them from dead electronics) and make a circuit that can make dead batteries work again.

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Picture of Make a Joule Thief

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Makerspace Project Ideas,Joules Thief,3Dprinters,Engineering,Electronics

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Step-by-step run through of how a Joule Thief circuit works. Includes how all the parts, the 1.5 volt AA battery, the resistor, the transistor and the ferrite core with its two coils of wire work together to build up energy in a magnetic field which then collapses to produce enough voltage and current to light an LED (Light Emitting Diode.) This...

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Joules Thief,Tekno,Electronics