In this chapter, the reader is introduced to interfacing of DC motors with the 8051 microcontroller. After completion of the chapter, the reader should be able to understand

  • How are DC motors interfaced with 8051 microcontroller.
  • How to control speed of revolution of a DC motor using 8051.
  • How to control the direction of rotation of a DC motor using 8051.
  • How to interface relay and optocoupler for interfacing heavy-duty DC motors.

21.1 | Introduction

Motors are of various types out of which DC motor, Stepper motor and Servomotors are more widely used for different digital-control operations. In this and next two chapters, we will discuss about different interfacing issues related to these motors. ...

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