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/diy/ - Do It Yourself

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>> No.1184806 [View]
File: 1.02 MB, 1599x1066, 2kphmq.jpg [View same] [iqdb] [saucenao] [google]
1184806

>>1184703
I have one of those old maglite. I made a Joule-Thief-like circuit and put a 3w led on it.
It works, but is not awesome. Not for a 2D cell at least.

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