En route to getting the off-the-peg DC-51 motor speed controller ... reduce brush sparking and improve low-speed smoothness. I will probably change R28 from 25mΩ to 100mΩ to better match my 0.9A motor ...

Almost two years ago, a research team showed that it was possible to get fine motor control from cheap, brushless DC motors ... that doesn’t need low-speed control like a fan motor, but for ...

Sensor-less brushless dc ... motor back. Start-up is automatically managed “over a wide range of motor and load combinations including high or low inertial or friction loads”, said Allegro. Speed ...