DTMF Controlled Robot Car WITHOUT using MICROCONTROLLER

Apr 21, 2016Download as pptx, pdf

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This document describes a DTMF controlled robot project created by a team of students under the guidance of O.SRIKANTH. The robot uses two mobile phones, where one phone calls the other phone mounted on the robot to control it through DTMF tones. When buttons are pressed on the calling phone, corresponding tones are received by the robot phone and processed by a DTMF decoder chip to operate motors via a motor driver chip. Potential applications are discussed along with advantages of long distance control without coding and disadvantages of requiring a camera and incurring call charges.

Team:
VISHWANATH NEHA(12K41A0270)
VALABOJU BHANU PRASAD(12K41A0264)
PULA SUSHMITHA (12K41A0252)
ASHA SANJEEV ( 12K41A0278)
Under the Guidance of
O.SRIKANTH
(Asst. Prof.)

 There are various wireless modes like Bluetooth, Wi-Fi,
Zig Bee, etc., but these wireless controls has limitations
in its control distance.
 To overcome this limitation, Mobile Controlled Robot is
designed to add long distant wireless controllability to
your robot.
 This robot can be developed without microcontroller and
hence it is very easy for the beginners to build it.

DTMF Controlled Robot Car WITHOUT using MICROCONTROLLER

 Robot Chassis
 Motors
 Breadboard
 IC L293D
 IC CM8870
 Resistors
 Capacitors
 Headphone Jack
 Wires
 Batteries

 In DTMF Controlled Robot, we use two mobile
phones.
 This robot is controlled by a mobile phone that makes a
call to another mobile phone attached to the robot.
 When the user calls the mobile which is mounted on
the robot the call is received by auto-answer mode.
 In the course of a call, if any button is pressed, a tone
corresponding to the button pressed is heard at the
other end of the call.

 This tone is called “Dual Tone Multi Frequency
(DTMF)” tone.
 The robot receives this DTMF tone with the help of the
headphone attached to the robot.
 The received tone is processed by the DTMF decoder IC,
and then transmits the signal to the motor driver IC to
operate the motors.

 Can be used in military for disposing land mines.
 Best suited for Search and rescue operations like with
human detector sensor can be used at the time of disasters
like earth quake to detect the human under buildings.
 Addition of wireless camera helps to access this robot from
any part of the world to monitor your house or office.
 With slight modifications can be used in industrial
applications.
 With camera can be used in surveillance systems.

 This robot can be virtually controlled anywhere from the
world.
 Easy to setup.
 No microcontroller & no tough coding.

 Requires a camera to maneuver your house or office
when you are far away from the robot.
 Call charges will be deducted according to the service
provider plans when you control your robot.

This document describes a robot that can be controlled via DTMF tones sent from a mobile phone. The robot has a mobile phone attached that can receive DTMF tones corresponding to buttons pressed on the calling phone. A microcontroller on the robot decodes the tones and controls motors via an H-bridge motor driver to move the robot in different directions. The system allows remote robotic control over large areas using existing mobile networks without interference from other controllers.

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Surveillance place a pivotal role in addressing a wide range of security challenges .In the present paper we propose a Dual Tone Multiple Frequency ( DTMF) based Robot with video surveillance. In the proposed model a DTMF based Robot with video surveillance with multiple key functions, Arm picker and security system was implemented. Master and slave concept using 3 Microcontroller and motor driver IC to drive motors was implemented and belt wheel platform was used to move the robot from one place to another. Multiple key functions were used to perform more functions and a camera for surveillance .The robot can navigate with the help of the user.

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This document describes a mobile controlled robot that uses DTMF tones. The robot is controlled by a mobile phone attached to it. When buttons on the phone are pressed, corresponding DTMF tones are generated and detected by a decoder chip on the robot. The chip then sends signals to motors to move the robot forward, backward, left or right. Additional components include a microcontroller, LCD display, wireless camera, motors and battery. The robot has applications in surveillance, industrial uses, and search and rescue operations.

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This document describes a DTMF controlled robotic car. The robotic car can be operated using dual tone multi frequency (DTMF) tones from a mobile phone. The system uses an Arduino microcontroller with an ATmega328 chip. It also includes a DTMF decoder, motor driver, power supply, and DC motors. The DTMF decoder receives tones from one mobile phone and sends the corresponding commands to the microcontroller. The microcontroller then controls the motor driver and DC motors to move the robotic car forward, backward, left, or right. This system allows remote control of the robotic car over larger distances compared to previous RF-based systems. It provides robust control and overcomes limitations of working range and frequency interference.

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This document describes a project to remotely control a land rover vehicle using DTMF tones generated from a mobile phone. DTMF signals from the phone are decoded using an 8870 IC and sent to an AT89S52 microcontroller. The microcontroller then controls an L293D motor driver and four motors on the rover to move it forward, backward, left and right. Potential applications include remote control vehicles for scientific, military, and search and rescue purposes. Further improvements could involve adding sensors to detect obstacles and a camera for beyond line-of-sight control.

Iaetsd design and implementation of mobile operatedIaetsd Iaetsd

This document describes the design and implementation of a mobile-operated robotic car controlled via DTMF tones without using a microcontroller. When a call is placed to the mobile phone attached to the car, buttons pressed on the caller's keypad will generate DTMF tones that are received by the car's phone. The tones are decoded into binary codes by a DTMF decoder chip which sends signals to a motor driver chip to control the car's motors based on the tones received. This allows remote control of the car via mobile phones for wireless operation without a need for separate transmitter and receiver units.

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This document describes a mobile controlled robot that uses dual-tone multi-frequency (DTMF) tones sent from a cell phone to control the robot's movement. The robot uses a DTMF decoder chip to receive and decode DTMF tones into a 4-bit code that is read by a microcontroller. The microcontroller then sends signals to a motor driver chip which controls the two DC motors to move the robot forward, backward, left or right depending on the tone received. The overall system allows remote control of the robot's movement via DTMF tones sent from a mobile phone.

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This document presents a mobile control robot that uses a DTMF module. It was submitted by students to partially fulfill the requirements for a Bachelor of Technology degree. The document defines what a robot and DTMF are, provides block and circuit diagrams of the robot, lists the components used, and discusses the software, applications, advantages, disadvantages, future scope, and conclusions of the project.

IRJET - Mobile Controlled Robotic Car using DTMFIRJET Journal

This document describes a mobile controlled robotic car that uses Dual Tone Multi Frequency (DTMF) technology. DTMF allows the robotic car to be controlled by phone. The system includes a microcontroller, DTMF decoder, motor driver, and DC motors. When buttons are pressed on the phone, corresponding DTMF tones are sent to the robotic car. The DTMF decoder converts the tones to binary for the microcontroller. The microcontroller then controls the motor driver and DC motors to move the car forward, backward, left, or right depending on the button pressed. This overcomes limitations of traditional radio frequency control, providing longer range and ability to control from any phone.

GSM Based Wireless Robot Vehicle with POF features using DTMFirjes

This document describes a GSM-based wireless robot vehicle that can be controlled remotely using DTMF tones and provides obstacle and fire detection features. The robot uses a microcontroller programmed in embedded C to control motors and sensors. It has a GSM module to allow remote control from any location via calls and to send text alerts upon obstacle/fire detection. When called, it sends an OTP for authentication before taking commands. The user can then use the phone keypad to send movement commands as DTMF tones. Sensors help detect obstacles and fires, triggering alert messages. This design overcomes range and interference issues of prior RF-based systems, allowing robust remote control and monitoring from a distance.

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The document describes a driverless car (robot) that is controlled by a mobile phone. The mobile phone attached to the robot receives DTMF tones from the controlling phone when buttons are pressed. These tones are processed by the robot's microcontroller using a DTMF decoder chip to determine which button was pressed. DTMF assigns specific frequencies to each button so they can be identified electronically. The robot has advantages of wireless control from anywhere in the world with no range limit since it uses mobile technology. Potential applications include using remote controlled vehicles for scientific research, military and law enforcement situations, and search and rescue operations.

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DTMF Controlled Robot Car WITHOUT using MICROCONTROLLER

1. Team: VISHWANATH NEHA(12K41A0270) VALABOJU BHANU PRASAD(12K41A0264) PULA SUSHMITHA (12K41A0252) ASHA SANJEEV ( 12K41A0278) Under the Guidance of O.SRIKANTH (Asst. Prof.)

2.  There are various wireless modes like Bluetooth, Wi-Fi, Zig Bee, etc., but these wireless controls has limitations in its control distance.  To overcome this limitation, Mobile Controlled Robot is designed to add long distant wireless controllability to your robot.  This robot can be developed without microcontroller and hence it is very easy for the beginners to build it.

3. Block Diagram

5.  Robot Chassis  Motors  Breadboard  IC L293D  IC CM8870  Resistors  Capacitors  Headphone Jack  Wires  Batteries

6.  In DTMF Controlled Robot, we use two mobile phones.  This robot is controlled by a mobile phone that makes a call to another mobile phone attached to the robot.  When the user calls the mobile which is mounted on the robot the call is received by auto-answer mode.  In the course of a call, if any button is pressed, a tone corresponding to the button pressed is heard at the other end of the call.

7.  This tone is called “Dual Tone Multi Frequency (DTMF)” tone.  The robot receives this DTMF tone with the help of the headphone attached to the robot.  The received tone is processed by the DTMF decoder IC, and then transmits the signal to the motor driver IC to operate the motors.

8.  Can be used in military for disposing land mines.  Best suited for Search and rescue operations like with human detector sensor can be used at the time of disasters like earth quake to detect the human under buildings.  Addition of wireless camera helps to access this robot from any part of the world to monitor your house or office.  With slight modifications can be used in industrial applications.  With camera can be used in surveillance systems.

9.  This robot can be virtually controlled anywhere from the world.  Easy to setup.  No microcontroller & no tough coding.

10.  Requires a camera to maneuver your house or office when you are far away from the robot.  Call charges will be deducted according to the service provider plans when you control your robot.

DTMF Controlled Robot Car WITHOUT using MICROCONTROLLER

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