Microcontroller Based 4 Quadrant DC Motor Speed Control

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Microcontroller Based 4 Quadrant DC Motor Speed Control

The project aims at developing a speed control system for DC motors in four quadrants i.e. clockwise, anti-clockwise, forward brake and reverse brake. The project is useful to be used in industries for moving motors in both directions i.e. clockwise and anti-clockwise and can even apply forward and reverse brakes whenever required.
The brakes functions by applying a reverse voltage in the motor for certain time. The speed is controlled by generating PWM pulses from microcontroller of 8051 family. A pair of push buttons is interfaced to microcontroller which is interfaced to operation motor by motor driver IC. The signals from the button are input to the microcontroller that in turn actuates motors in controlling speed.

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