Mechanical Joule Thief Charger

4,005 views · Published 4 November 2009 · 3:10 · Indexed 28 October 2026

Channel: Lidmotor · 2009 · Science & Technology

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This is my little pulse motor run mechanically with a reed switch instead of the transistor circuit.  This made things even simpler and allowed the second unused trigger coil to be converted to a charging coil.  The setup runs on one AA battery and drives "Maggie" to produce light from two 3v Leds.  That is also why I call it a "mechanical Joule Thief" ---it bumps the 1.5 or less voltage up to 3 or more mechanically.

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