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PROJECT DESCRIPTION

The main aim of the project is to control a robot movement over long distance with a mobile phone.

The proposed system uses a microcontroller from 8051 family and a battery for power source. In this project, the mobile phone is attached to the robot with the help of an audio cord for inbuilt DTMF decoder, which receives commands from the user phone to control the robot. The motors are controller by a motor driver IC based on the commands from the microcontroller.

If a button is pressed to generate a corresponding tone in the user phone, the same tone can be heard at the receiver end of the cell attached to the robot, to operate the robot. This tone is called ‘Dual Tone Multi Frequency’(DTMF) tone. The received tone is processed by the 8051 microcontroller with the help of the DTMF decoder. The microcontroller is preprogrammed to take the decision for any given input and output wherein the motor drives the robot in forward and backward direction.

Furthermore, the project can be improved by interfacing it with additional motors for multipurpose activity. For example, it can be developed into a pick-n- place robot or fire-fighting robot with a water pump as well.

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The main aim of the project is to control a robot movement over long distance with a mobile phone.

The proposed system uses a microcontroller from 8051 family and a battery for power source. In this project, the mobile phone is attached to the robot with the help of an audio cord for inbuilt DTMF decoder, which receives commands from the user phone to control the robot. The motors are controller by a motor driver IC based on the commands from the microcontroller.

If a button is pressed to generate a corresponding tone in the user phone, the same tone can be heard at the receiver end of the cell attached to the robot, to operate the robot. This tone is called ‘Dual Tone Multi Frequency’(DTMF) tone. The received tone is processed by the 8051 microcontroller with the help of the DTMF decoder. The microcontroller is preprogrammed to take the decision for any given input and output wherein the motor drives the robot in forward and backward direction.

Furthermore, the project can be improved by interfacing it with additional motors for multipurpose activity. For example, it can be developed into a pick-n- place robot or fire-fighting robot with a water pump as well.

PROJECT HIGHLIGHTS
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.
Pre-programmed Microcontroller.
×
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.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • Crystal
  • DTMF Decoder IC
  • Motor Driver IC
  • DC Motors
  • Batteries
  • Robot Body
×
  • 8051 series Microcontroller
  • Crystal
  • DTMF Decoder IC
  • Motor Driver IC
  • DC Motors
  • Batteries
  • Robot Body
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly.
×
  • Keil compiler
  • Language: Embedded C or Assembly.
Q & A
Q:  Which microcontroller is used in this project?
A:  A 40 pin microcontroller from 8051 family is used in this project.
Q:  Can this project be implemented using the landline phone?
A:  No, this project has been designed to be implemented with only a mobile phone.
Q:  What is DTMF?
A:  DTMF or Dual tone multi frequency is a signaling system which uses a combination of two frequency tones to represent a key pressed on the keyboard of any cell phone.
Q:  What are keypad tones?
A:  Keypad tones are the audible sound heard, when a key is pressed on the mobile phone.
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