Controlling of Remote Robot Through Mobile Phone Using DTMF Signal

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    Controlling of Remote Robotthrough mobile phone using

    DTMF Signal Under the esteemed guidance of

    Mr.K.RAJENDRA M.Tech ,

     Asst Professor

      Submitted by:M.Nagaraju

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    ABSTRACT 

    In the age of quotidian systems it is important to be able to

    control robots everywhere.

    Although dierent mode to remotely control robots have

    been devised, the mode have the diculty such as the

    need for unique devices or software to control the robots.

     This paper suggests a methodology of robot control using

    the DT! tone generated when the user press mobile

    phone "eypad buttons when connected with a remote

    mobile robot.

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    Block diagram

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    PH!" DTMF FR"#$"!C%

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    #roperties of DT! tone frequency

    are$o frequency is an integer multiple of another The dierence between any two frequencies

    does not equal any of the frequencies

     The sum of any two frequencies does not equalany of the frequencies

     There are three options forcommunication to implement in

    communication system%&ireless Internet #latform '&I#(

    )hort essage )ervice '))(

    DT! )ignal

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    Circuit diagram

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    I#*++$TATI$

     The robot control system through the mobile phone DT!tone in this paper is depicted in !igure The mobile phoneused in this system is a general phone that is registered on amobile communication networ" of a mobile networ"

    provider.

     The mobile robot in this system consists of a -DAeternal modem, DT! receiver, microprocessor/based robotcontrol, D- motors and the drivers. The -DA eternal

    modem is the 0ell/wave 0)/123 and includes the4ualcomm ) 3525 chipset. The modem is also registeredin a mobile communication networ", so has a unique phonenumber.

      The DT! decoder chip is the )amsung +lectronics

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    APPLICATIONS This setup with a little modification can be used in thefollowing applications.

    It can Support to medical services

     In a pitfall Environments

    Construction and demolishing

     Wireless Robot control

     Assistance to handicapped or elderly people

    Theft intimationIt can be used as a Remote Switches

    Reporting during car accidents

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    ConclusionThis paper presented a method to control a robot using the T!"

    tone generated when the user press the #eypad buttons of a mobile

     phone connected to the remote mobile robot.

    This control mode uses commercial mobile communication

    networ#s as the way of data transmission. We can control the mobile

    robot stably .

    This system was implemented in the $% mobile communication

    networ#& so video data cannot be obtained "uture wor# will research

    the robot control system in the '% mobile communication networ#s.

    This will eventually facilitate controlling the remote robot& using the

    T!" of mobile phone with video data from the remote mobile

    robots camera.