[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 ...

A brushless motor requires a motor controller, and for most of us, this means cheap Electronic Speed Controllers (ESC) from a warehouse in China. [Ben] had a better idea: build his own ESC.

An electric motor has a stator and a rotor. Both are electrically/magnetically induced to produce magnetic fields either through current fed coils or permanent ...