please send me the 'dtmf mobile phone controlled dam water gates' material for my project it may be usefull
....etc

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Telephony Communication
DTMF decoder

This circuit detects the dial tone from a telephone line and decodes the keypad pressed on the remote telephone. two distinct frequency tones make up the DTMF(dual tome multiple frequency), and hence the name. The the dialer and the telephone exchange communicate one way through the DTMF communication.the tone generator and the tone decoder consist of a complete communication setup. In this project, IC MT8870DE is used to decode the input dial tone to the dialled numbers. These digital bits can ....etc

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To get full information or details of dtmf based mobile phone controlled robot please have a look on the pages

http://seminarsprojects.net/Thread-mobile-controlled-robot-using-dtmf-technology

http://seminarsprojects.net/Thread-mobile-controlled-robot-using-dtmf-technology-for-industrial-application

http://seminarsprojects.net/Thread-dtmf-based-mobile-phone-controlled-robot

http://seminarsprojects.net/Thread-mobile-controlled-robot-using-dtmf-technology?pid=51494&mode=threaded

if you again feel trouble on dtmf based mobile phone controlled ....etc

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hello sir,
can you please suggest me how to write a program for dtmf decoder ht9170b interfacing with 8051 micro controller. ....etc

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circuit diagram of home automation with dtmf decoder at89c51 using mobile communication
i want to circuit diagram of home automation with dtmf decoder at89c51 using mobile communication and also ppt slides of that ....etc

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This home appliances control or home automation project also uses the same DTMF decoder circuit section with little modifications to control home and office electrical appliances. Just connect your cell phone headset (headphone) jack to the mobile phone and then mobile will control electrical appliances and electrical equipment through the DTMF key pad of your cell phone. Here for demonstrating, we are controlling an electrical bulb using this circuit project but you can extend this circuit to control many electrical devices with some modificat ....etc

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To get full information or details of controlling robot using dtmf decoder please have a look on the pages

http://seminarsprojects.net/Thread-dtmf-based-mobile-controlled-robot

http://seminarsprojects.net/Thread-wireless-controlled-mine-detecting-robot

http://seminarsprojects.net/Thread-mobile-controlled-robot-using-dtmf-technology-for-industrial-application

http://seminarsprojects.net/Thread-mobile-controlled-robot-using-dtmf-technology--104350

http://seminarsprojects.net/Thread-mobile-controlled-robot-using-dtmf-technology

http://semi ....etc

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to get information about the topic mobile controlled home appliances using dtmf decoder full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-home-appliance-pc-cursor-control-by-mobile-phone-dtmf?pid=51297&mode=threaded

http://seminarsprojects.net/Thread-home-appliance-control-by-mobile-phone-dtmf ....etc

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to get information about the topic dam gate using mobile phone by dtmf digits through voice call related topic refer the page link bellow

http://seminarsprojects.net/Thread-microcontroller-based-dam-gate-control-system-full-report?pid=60896#pid60896 ....etc

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