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motor-driven generator that lights LED

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Published on Mar 19, 2008

I use an electric motor I built to spin a magnet inside a coil to induce current. Then, I use a rectifier to change the AC current to DC. Next, the current is stored in a capacitor, and once I flip the switch, the capacitor releases its energy and lights the LED.
The circuit with the LED is basically the idea behind a faraday flashlight, except rather than shaking a magnet, we're spinning it.

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