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Homemade hand crank flashlight

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This is a hand crank flashlight made of a stepping motor.
Turning crank, the super capacitor is charging and LEDs are ligting.

Materials : Stepping motor with gear, 1N5819 x 6, 1N4733 (5.1V zener diode), 5.5V 1F super capacitor, 100 ohm resistor x 3, LED x 3

An emergency lighting device from junk.
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