Measuring DC Motor Speed with a Power Supply (.PDF Download)

March 6, 2015

Electric motors are prevalent in our modern technology-filled world, from small motors that cause vibration in our mobile devices;  to the myriad of electric motors in cars to open windows, move seats, and adjust mirrors; to the large electric motors that power elevators, pumps, and machinery.  The common way to measure an electric motor’s speed is to use some form of an RPM monitor.  These could be mechanical or optical...

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