This article explains how to create a brushed DC motor programmable speed regulator that is low-noise, high-performance, and affordable. The regulator is not affected by changes in temperature, ...

According to the accession file, the Ford Instrument Company built this device “to control motor speed on a time line.” It reportedly was used on early Mark VIII range keepers, built for the U.S. Navy ...

Industrial applications use direct current motors because the speed-torque relationship can be varied to almost any useful form -- for both motor and regeneration applications in either direction of ...

In many electronic systems, it is necessary to provide a bipolar (positive and negative) voltage or current into a particular type of load. Loads that require bipolar voltages/currents include FPGA ...

The humble automotive alternator hides an interesting secret. Known as the part that converts power from internal combustion into the electricity needed to run everything else, they can also ...