![]() ![]() Mainly there are four types of stepper motors: Because of the high precision properties, stepper motors are highly preferred in motion control application such as robotics. The stepper motor completes it’s each revolution with each step completely controlled by the controller which is followed by a driver circuit. Apart from 1.8 degree, stepper motors with step angle 30, 15.5, 2.5 and 2 are also available. Unlike normal dc motors, it contains multiple stator magnets used to trigger each step. Normally, each step moves 1.8 degree and therefore a total of 200 steps for a rotor to finish a single rotation. It is a synchronous dc motor which moves in discrete steps to complete its rotation. Stepper motors are working on the same principle of dc motors. Here in this chapter how a stepper motor is interfaced with a PIC microcontroller is discussed in detail. ![]() Interfacing a stepper motor with a microcontroller is, therefore, more of a requirement. The myriad applications of a stepper motor include precise motion control systems such as those found in industrial automation, a wide variety of robotic applications like arm movement controllers and systems like 3D printers etc. Operation of a stepper motor is similar to that of a dc motor. ![]()
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