Created by
Created March 28, 2013
Last modified March 28, 2013
Tags dc   driver   flashlight   pulsed  


More efficient circuit for a 9 LED flashlight.


D11 allows for approximately 10% duty cycle. C1 helps smooth out voltage spikes from the MOSFET switching. R3 can be selected to create short or long battery life and LED life. Brightness will be affected.


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