Joule Thief Low Voltage Battery Charger

Joule Thief Low Voltage Battery Charger

A “Joule Thief” is a simple voltage booster circuit. It can increase the voltage of power source by changing the constant low voltage signal into a series of rapid pulses at a higher voltage. You most commonly see this kind of circuit used to power LEDs with a “dead” battery. But there are many more […]

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