Running a brushed motor in ... a current limiter for cheap DC motor controllers. The full write-up is in the included PDF file, and describes the set-up of an Arduino Nano sitting between throttle ...

Brushless DC ... a brushed DC motor with up to 7 A continuous current at up to 36 V which works out to about 250 W or 1/3 HP. It does closed loop control with feedback from a quadrature encoder.