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Simple single-cell white-LED driver uses improvised transformer
1.5V to light up LED - Electrical Engineering Stack Exchange
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3 Best Joule Thief Circuits | Homemade Circuit Projects
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1.5v To 9-Watt Led Driver Circuit of 220v AC, How To Make DC Led Driver Circuit, Ac To Dc Led Driver - YouTube
1.5v To 9-Watt Led Driver Circuit of 220v AC, How To Make DC Led Driver Circuit, Ac To Dc Led Driver - YouTube
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