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/diy/ - Do It Yourself

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>> No.1538565 [View]
File: 1 KB, 183x81, LED-light.png [View same] [iqdb] [saucenao] [google]
1538565

>>1538447
I made a mystery circuit too and it happily works with two LEDs in series. I can hear it in the radio on around 550kHz. The frequency changes when you touch the thing which may support the small parasitic capacitance theorem.

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