Circuit Schematic 12V PWM Motor/Light Controller

PWM. - Here is Circuit Schematic 12V PWM Motor/Light Controller. The diagrams are for 12V operation only and there are high side (common ground) and low side (common +12V) versions. The low side version of the circuit uses an N Channel FET, the high side version of the circuit uses a P Channel FET. N Channel devices tend to handle more current than P Channel devices, they are also less expensive. The high side version of the circuit is useful when one side of the load has to be grounded. 

The original Article :"12V PWM Motor/Light Controller "
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