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LED Dimmer PWM Hack [Hack]
posted October 31 2013 11:08.25 by spic0m




This cheap dimmer is designed to blink LEDs with a variable duty cycle. The default frequency can be altered by swapping out a single capacitor. 20 kHz makes a whine-free speed control for a DC motor, 1 Hz gives slow PWM for high power resistive heating loads.



[Link: smokedprojects]
 
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