Joule Thief With Secondary Coil Winding
Joule Thief
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Currently 5.00/5
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Rating: 5.0 out of 1 vote
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Description
This is a joule thief with a secondary coil winding. The secondary winding puts out about 8 volts. It will fill a large 4400 mfd capacitor to over 75 volts in about 10 to 15 minutes with just the second coil.
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