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jw0752

Fun While on Vacation

Posted by jw0752 Top Member Feb 26, 2015
I am away from my shop but I miss electronics if I do not take it with me. A week or so ago there was a question on the Forum about the Joule Thief Circuit. I became interested in the circuit as it looked simple enough for me to fabricate with the limited resources that I brought with me. My first challenge was to make a small toroid transformer with 2 windings of 20 turns each using 38 Ga wire. I went to a local "Old School" electronics shop and found a small toroid. I would have bought the wir ...