| Created by |
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| 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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