[neuromancer2701] created his own brushless motor controller on an Arduino shield. [neuromancer2701]’s shield is a sensorless design, which means it uses the back-EMF of the motor for feedback ...

Few of us will have gone as far as [etischer] though, and embarked upon building our own controller for a 300V 90kW traction motor. The tricky part of a high power brushless motor controller lies ...