Simplest variable voltage circuit
- From: "Infundibulum" <email@xxxxxxxxxx>
- Date: Fri, 23 Dec 2005 01:24:08 -0800
I am looking for the simplest possible passive circuit for providing a
variable voltage of 1.5 vdc to 3 vdc to a small pump motor which requires a
few hundred milliamps. I am using 2 AA 1.5 volt batteries in series as a
supply. The impedance of the motor is so low that series resistors do not
work. Just looking for a way to vary the voltage of the source. Thanks.
.
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