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[–] 6 points 3 years ago (5 children)

Are they? I thought they were basically just a few capacitors hooked up wrong to a USB port.

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  • [–] 7 points 3 years ago (4 children)

    Capacitors alone are not enough.

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  • [–] 4 points 3 years ago (3 children)

    Capacitors a transistor and an op-amp. Thats a couple cents of components.

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