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SMS through Telephone
Author Binu
Author email binu_ji@yahoo.com
Author website www.binu.somee.com
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Description The main objective of this system is to transmit message or text through ordinary Land Line Telephone from one end (source) to another end (designation). This is get achieved by the DTMF technology. It has two sections one for editing the text and to transmit the edited text and the other section consist for receiving the text message. The system works on the DTMF technology. (Dual Tone Multiple Frequency). It involves several steps. They are ? DTMF decoding/Encoding process ? Ring sensing ? ON/OFF hook detection ? Displaying the message in LCD The above process is get achieved by the microcontroller AT89S8252.Thus Microcontroller controls the whole system.
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Filesize 111.4 kb
Date Tuesday 07 August 2007 - 14:13:32
Downloads 7290
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Rating
 6.3 - 3 votes 

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Microcontroller ebooks Projects codes examples nal3 | 18 Jan : 07:57
Can u post the documentation of this project. it will be useful for me
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Microcontroller ebooks Projects codes examples Anil Menon | 04 Feb : 03:54
My email id is anilmn@rediffmail.com,I am interested in this project,I have doubts which need to be cleared,like RDX &TDX exactly where it comes in a mobile phone,whether is it applicable in all models of cell phones,if not what is the solution for it.
Kindly forward me the detail document at earliest.
Anil Menon,Manager-Operations
Optotech Systems P Ltd
Mobile: 09916310584
Bangalore
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Microcontroller ebooks Projects codes examples Anonymous | 14 Feb : 08:40
hi ma email id is lavender.adi@gmail.com
i would like to do this project can u send me the details of this project...
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Microcontroller ebooks Projects codes examples thanhtrung | 13 May : 13:21
i can`t run asm
please help me
thank!
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Microcontroller ebooks Projects codes examples Anonymous | 14 May : 15:01
please somebody tell me about its working..my id:noufal51@yahoo.co.in
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Microcontroller ebooks Projects codes examples thanhtrung | 16 May : 17:25
help
u can
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Microcontroller ebooks Projects codes examples Anonymous | 01 Jun : 01:29
hi,
could u tell which compiler to use to compile the code?
and if u have in C can u share with me
thank


email:heru1boy@yahoo.com
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Microcontroller ebooks Projects codes examples Elx_kid | 17 Jul : 00:19
its a great project, thanks man
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Microcontroller ebooks Projects codes examples umeshindoria | 21 Jul : 04:39
pls send me the entire documentation of the project
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Microcontroller ebooks Projects codes examples Anonymous | 08 Aug : 02:34
I intrested in this projects give me the details of this project my id is
arshadkm@gmail.com
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