Everything for Electronics
Nuts & Volts Magazine (December 2004)

Applying PWM — A Light Dimmer

By Mark Balch    View In Digital Edition  

Varying the power delivered to DC loads is a common problem in projects — such as robotics — where motors and lights require more control than simply on/off. Rapidly changing supply voltage to a DC motor or light is often impractical or disallowed by the electrical characteristics of the load.


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