Joule Thief breadboard
The minimal components of a Joule Thief, which amplifies the 0.5 V input to 2 V or more to drive the red LED. Rather than a toroid core transformer, I used two side-by-side 1 mH inductors.
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The minimal components of a Joule Thief, which amplifies the 0.5 V input to 2 V or more to drive the red LED. Rather than a toroid core transformer, I used two side-by-side 1 mH inductors.