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For the term "joule thief freq adjust".

Joule Thief Lights 300 LEDs On Single AA Battery!!

My modified Fuji AA Joule Thief circuit lighting 300 LEDs! Each LED requires 3.5 volts to light. I am still using the old AA battery that you have seen in all of my other videos. For more information, go to Overunitydotcom in my Joule Thief topic. Thanks.

Solar Joule Thief HEWEY Boxed

This is the ‘Automatic Solar Joule Thief’—-“Hewey”–boxed. The device is a simple Joule Thief LED/charger circuit with an automatic solar charger attached. It uses super capacitors instead of batteries to store the energy. “Hewey”…

Lawrence Tseung Fleet circuit Joule Thief power analysing measurement test PART 1/2

This is the first part of the power measurement scope tests of the Lawrence Tseung Fleet Joule Thief circuit done by Stefan Hartmann, the admin of OverUnity.com . http://www.overunity.com/12686/is-joule-thief-circuit-gets-overunity/1065 Lawrence claimed the circuit to…