Joule Thief: TK-LS SooperLooper Runs At Less Than 0.2 Volt

Errata: the schematic says “2sk3198” but should read “2sc3198”. Also the “stock loopstick winding” is the one with the LEDs across it, not the one on the left. Sorry about that…

By accident I discovered that connecting the bottom end of the middle 20 turn coil made the LEDs come on super bright and the thing continued to run to very low voltage. This is the end that was left disconnected in the last demo video of this device.

Please see that other video for the details of construction. This video includes the original schematic from LaserSaber (thanks!) and also my edited version with my additions marked.

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