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Speed Control of DC Motor Through Wireless

        In this project, We have a wireless control of speed of DC Motor. i.e., when a speed is selected at a sending end it is transferred to a remote reveiver section through RF Media and then it is converted into a command and sent to an Embedded PIC Microcontroller for controlling the speed of the DC Motor.  The Drive uses the L298 Dual Full bridge driver vary the speed of the DC Motor.

          The RF Channel used is 433.92 MHZ.  The speed can be set by using a selection switch.

          The Block Diagram for the Project is given below.

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Diploma Projects abstract for Electronics/Electrical/Mechanical

Motor Speed Monitors and Control System using GSM modem

Abstract:

The purpose of this project is to control the speed and direction of Dc motor using Microcontroller and GSM Modem with Password protection. This uses a PWM (Pulse Width Modulation) technique to control the speed of motor from 0% to 100%.

The speed of the motor is measured using contact-less speed measurement technique. Speed control is done using PMW (Pulse Width Modulation) Method. User can send SMS messages to control the motor speed and Direction. A GSM modem attached to the control unit handles automatic SMS sending and receiving process. As this monitoring and controlling can be done by any mobile phone, we provided a security feature by implementing password-based protection. User has to send the password along with the commands to be controlled.

GSM modem connected to microcontroller unit is used to control the motor and know the motor live speed. Microcontroller automatically reads the SMS messages stored in the SIM card and takes necessary action like speed control, Direction control etc. there will be a particular code that needs to be send through SMS to set the speed and get the speed from the Dc motor.       

Hardware Spec:                 DSPIC30F4013 Microcontroller                 Relay Circuits with relay                 Power Supply                 GSM Modem                 RS232 Module                 IR Sensor                 L298 IC                 Dc Motor

Software Spec:                  PIC C30 C Compiler                 MPLAB IDE

The block Diagram of the project is given below