What is BLDC Motor Controller
Brushless DC motors, often shortened to BLDC motors, see a wide application in industries ranging from computer hard drives to industrial robots. Believe it or not, they dominate some fields entirely, with brushed DC motors (BDC motors) receiving no attention.
However, to use one effectively, you will also need a BLDC motor controller. This nifty little piece of hardware is used to regulate the speed and torque of the motor. It can also start, stop, and reverse the rotation of the motor.
Source : https://aptelectronicsindia.blogspot.com/2022/07/what-is-bldc-motor-controller.html