Joule Thief thread

Discussion in 'General Electronics Chat' started by takao21203, Jul 3, 2015.

  1. takao21203

    Thread Starter AAC Fanatic!

    Apr 28, 2012
    3,648
    477
    Here the latest Joule Thief, using a small 1:1 ferrite transformer.

    Exactly original schematic but using a BC327-25 PNP.
    LED is accross the transistor.
     
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  2. DickCappels

    Moderator

    Aug 21, 2008
    3,812
    1,031
    Nice! How much power does it draw?
     
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