A Joule Thief and a mains AC transformer turn on a dead CFL
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Published on ● Video Link: https://www.youtube.com/watch?v=tvJYQoARIGc
This dead CFL works with a joule thief circuit which uses a mains AC transformer from a Nokia 5140 charger. In the transformer, I added only the 8 turns of the feedback coil. The CFL's actual brightness is 1/4 of what you see in the video.