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Joule thief 6 LED Flashlight Torch After reading Evil Mad Scientist Laboratories on how to make a joule thief , I decided to resurrect my 1 AAA cell ...
First I made a test rig using a 338 transistor, 6 x 3mm LED's and 11 windings on the toroid.
Then I compacted the parts ready to fit into the torch.
Then fit it into the torch,
The final product
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hi, can u tell me that in your circut design u have used one led and in your build u have used 7 leds..,can your circut design be used to power 7 leds or if not then what are the modifications.,and can u also tell me that insted of using bc549 transistor which else transistor can be used.??
i makeone but it make a 71 to 72 turns of windings and omg!!! to much amp that can kill the transtor if i set a voltage to 3.5 to 4.5 vdc well its good joule thiefe but i remod the system i put some diode zener diod damn the system flow good and to powerfull and i make some minor adjustment i make a crank up dynamo that can generate a lot of voltage to the inverter to the battery and last!!! hook up!!!in the six to seven led that make it super work!!!! that so hell great more
Hmmm, am I the only one seeing seven LEDs in that flashlight?
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