Today DC motors are used commonly at lots of electrical application. DC drive systems are often used
in many industrial applications such as robotics, actuation and manipulators. These motors are easy to drive, fully
controllable and readily available in all sizes and configurations When eximined these applictions dc motors are needed
to be operated on variable or constant speed with forward or reverse operation. There are many control technequies to
obtain control of different speeds. For this controlling process the electric drive systems are used frequently. Industrial
applications are increasingly required to meet higher performance and reliability requirements. The DC motor is an
attractive piece of equipment in many industrial applications requiring variable speed and load characteristics due to its
ease of controllability. Microcontrollers provide a suitable means of meeting these needs.
In this paper, H bridge DC motor driver is designed and implemented. H bridge curcuit is used for controlling DC
motor speed and rotating side. The H bridge driver Mosfets are driven by a high frequency PWM signal. Controlling
the PWM duty cycle is equivalent to controlling the motor terminal voltage, which in turn adjust directly the motor
speed. DC motor driver is controlled with using the dsPIC00f0000 microcontroller. PWM signals are generated at
dsPIC00f0000 and applied to DC motor driver circuit. Microcontrollers has been investigated for different speed
control of DC motor.