For ShortCircuit

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02:31:05

Im just guessing what your flash light is and its values so I chose it quite arbitrary. If it draws more current and you want to keep it on for a little longer you should increase the 4.7uF cap but dont increase it too much because the longer discharge may damage the flash bulb. The current draw is moderate so a 9V battery should do. Shake your device wait for the cap to charge then discharge it through the load.

published 11 years ago

ShortCircuit

11 years ago

Thanks a lot?

ShortCircuit

11 years ago

Lol meant !

ShortCircuit

11 years ago

Yeah, this works great, the bulb lights up really bright, and hasnt blown. Yet...

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