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A motor controller is a device used to control the operation of a motor, and its function is usually implemented through an integrated circuit rather than a separate instrument. Motor controllers have the characteristics of maintenance-free, fast response, and stable control of motors. They have been widely used in household appliances, industrial control, military, automobiles and other fields, such as printers, factory automation, robots, etc.

The controller refers to the main command device that changes the wiring of the main circuit or the control circuit and changes the resistance value in the circuit according to the predetermined order to control the starting, speed regulation, braking and reverse direction of the motor. It is composed of program counter, instruction register, instruction decoder, timing generator and operation controller. It is the "decision-making body" that issues commands, that is, to coordinate and direct the operation of the entire computer system.

There are many classifications of controllers, such as LED controllers, microcontrollers, access control controllers, electric vehicle controllers, bus tie controllers, automatic transfer switch controllers, single-chip microcontrollers, etc.

solar controller