12v speed controllerdimmer


Posted on Feb 5, 2014

This handy circuit can be used as a speed controller for a 12V motor rated up to 5A (continuous) or as a dimmer for a 12V halogen or standard incandescent lamp rated up to 50W. It varies the power to the load (motor or lamp) using pulse width modulation (PWM) at a pulse frequency of around 220Hz..


12v speed controllerdimmer
Click here to download the full size of the above Circuit.




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