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PROJECT DESCRIPTION

The project is designed to control the speed of a DC motor by using a RF technology for remote operation using an 8051 series microcontroller. The speed of the DC motor is directly proportional to the voltage applied across its terminals. Hence, if the voltage across motor terminal is varied, then the speed can also be varied.

This project uses the above principle to control the speed of the motor by varying the duty cycle of the pulse applied to it (popularly known as PWM control). At the transmitting end using push buttons,  commands are sent to the receiver to control the movement of the robot and make it move forward /  backward besides incrementing and decrementing its speed.

 An RF transmitter acts as a  remote control that has the advantage of adequate range (up to 200 meters) with proper antenna. The receiver decodes the commands before feeding it to another microcontroller to drive a DC motor via motor driver IC for necessary work. PWM (Pulse Width Modulation) is generated at the output by the microcontroller as per the program.

The program can be written in Assembly language or in Embedded C. The average voltage given or the average current flowing through the motor will change depending on the duty cycle (ON and OFF time of the pulses), so the speed of the motor will change accordingly. The motor driver IC is interfaced to the microcontroller for receiving PWM signals and delivering desired output for  speed control of the DC motor.

Furthermore, the project can be enhanced by using power electronic devices such as IGBTs to achieve speed control higher capacity industrial motors.

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The project is designed to control the speed of a DC motor by using a RF technology for remote operation using an 8051 series microcontroller. The speed of the DC motor is directly proportional to the voltage applied across its terminals. Hence, if the voltage across motor terminal is varied, then the speed can also be varied.

This project uses the above principle to control the speed of the motor by varying the duty cycle of the pulse applied to it (popularly known as PWM control). At the transmitting end using push buttons,  commands are sent to the receiver to control the movement of the robot and make it move forward /  backward besides incrementing and decrementing its speed.

 An RF transmitter acts as a  remote control that has the advantage of adequate range (up to 200 meters) with proper antenna. The receiver decodes the commands before feeding it to another microcontroller to drive a DC motor via motor driver IC for necessary work. PWM (Pulse Width Modulation) is generated at the output by the microcontroller as per the program.

The program can be written in Assembly language or in Embedded C. The average voltage given or the average current flowing through the motor will change depending on the duty cycle (ON and OFF time of the pulses), so the speed of the motor will change accordingly. The motor driver IC is interfaced to the microcontroller for receiving PWM signals and delivering desired output for  speed control of the DC motor.

Furthermore, the project can be enhanced by using power electronic devices such as IGBTs to achieve speed control higher capacity industrial motors.

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm IST.
×
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm IST.
BLOCK DIAGRAM
Wireless DC Motor Speed and Direction Control for Robotic Applications
Hardware Requirements
  • 8051 series Microcontroller
  • Push Buttons
  • RF module
  • Encoder
  • Decoder
  • Motor driver IC
  • DC motor
  • Resistors
  • Capacitors
  • Diodes
  • Batteries
×
  • 8051 series Microcontroller
  • Push Buttons
  • RF module
  • Encoder
  • Decoder
  • Motor driver IC
  • DC motor
  • Resistors
  • Capacitors
  • Diodes
  • Batteries
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly
  • Android application
×
  • Keil compiler
  • Language: Embedded C or Assembly
  • Android application
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