Joule Thief Circuit LED Blinks
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All Comments (6)
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what was that noise in the background
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how did you make that led ?
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hehe mine blinks too :D
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made one myself,,playing around with battery charging,,mine blinks too,,now,,seems to be when the bat gets low it blinks.
3 years ago 2
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whats a toroid core
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the coil looks like a sideways wound, tesla bifillar coil.
boxa888 3 years ago
Its 14 turns of 2 twisted ethernet wires thru a 5/8" toroid core.
botronics 3 years ago