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DTMF BASED ROBOT CONTROL

DTMF BASED ROBOT CONTROL
Product Code: HDTMF6
Reward Points: 0
Availability: In Stock
Price: INR 3,500.00
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In this project the robot, is controlled by a mobile phone that makes call to the mobile phone attached to the robot in the course of the call, if any button is pressed for the control corresponding to the button pressed is heard at the other end of the call. This tone is called dual tone multi frequency (DTMF) robot receives this DTMF tone with the help of phone stacked in the robot.The received tone is processed by the atmel89S52 microcontroller with the help of DTMF decoder MT8870 the decoder decodes the DTMF tone in to its equivalent binary digit and this binary number is send to the microcontroller, the microcontroller is preprogrammed to take a decision for any give input and outputs its decision to motor drivers in order to drive the motors for forward or backward motion or a turn.The mobile that makes a call to the mobile phone stacked in the robot acts as a remote. So this simple robotic project does not require the construction of receiver and transmitter units.DTMF signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone dialing is known as touch tone.DTMF assigns a specific frequency to each keys that it can easily be identified by the electronic circuit.

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