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DTMF Based automation using AT89C52...

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kareshpradhan

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What are codes for Dtmf to operate the AT89C52... Can Anyone Help me....
 

klystron

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The DTMF frequency specifications are well documented on the Web. You will also find DTMF algorithms and sample code in assembler and C. Why do you not you use a tone decoder/encoder chip?
 

response01

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The actual DTMF frequency specs are very upon the internet. You'll also find DTMF calculations and also trial program code within assembler and also D. How come you not you utilize any strengthen decoder/encoder nick?
 

tpetar

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What are codes for Dtmf to operate the AT89C52... Can Anyone Help me....
You plan to make remote control with 89C52 using DTMF ?



uC can direct decode DTMF today, you dont need DTMF IC decoder, and of course generating DTMF also is possible with uC.
 

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