May 2024
Intermediate to advanced
534 pages
17h 58m
English
book
8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
by Subrata Ghoshal
Content preview from 8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
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22
INTERFACING:
STEPPER MOTOR
CHAPTER OBJECTIVES
In this chapter, the reader is introduced to interfacing of stepper motors with
8051 microcontrollers. After completion of the chapter, the reader should be
able to understand
• How do stepper motors work.
• How to design hardware interface for stepper motors.
• How to control speed and direction of rotation of stepper motors.
22.1 | Introduction
While DC motors start rotating immediately after receiving power through its terminals, stepper motors
do not rotate in that way. Rotation of stepper motor needs digital pulses, and for every such pulse it would
rotate through a fi xed angle, generally 1.8° ...
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