International Journal of Engineering Trends and Technology
In many industry such as paper mills, rolling mills, printing machine tools, excavators and cranes etc. The DC motor is used for weighing a product from one place to another on the conveyer belt. So due to these the speed and direction control of the dc motor is very important purpose. Motor speed controller is to take a signal representing the required speed and to drive a motor at that speed for that purpose wireless speed and direction control of DC motor by radio frequency technique is very crucial with pulse width modulation and H-bridge converter.