[Jeroen] built his spin coater out of a brushless DC drone motor, a programmable motor controller ... allowing the user to select the speed and spin times. The electronics are all mounted inside ...

Afterwards, you will have lessons on AC motor control components and systems, both manual and automatic. This will culminate in training for you on AC variable speed drives. In module 3 you will learn ...

The sled is powered by two DC electric motors driving a ... to link the track to the bike motors. Two motor controllers enable basic speed control, while a beefy battery carries enough juice ...