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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 30407
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Rating
 7.2 - 4 votes 

Comments



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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Microcontroller ebooks Projects codes examples elima_lakra@yahoo.co.in | 21 Sep : 01:37
hello sir,
i am a final year student...i am working on ur projct ...could u please give me a brief working of this kit.thank u .
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Microcontroller ebooks Projects codes examples sathna | 06 Oct : 00:38
circuit diagram is not visible properly
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Microcontroller ebooks Projects codes examples saqib | 16 Oct : 23:24
hi i like ur project very much. i m student of final year i want to do this project. please send me some details about this project on this email (saqibjan 78@hotmail.com)
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Microcontroller ebooks Projects codes examples murad_368 | 24 Oct : 09:37
hi i like ur project very much. i m student of final year i want to do this project. please send me some details about this project on this email .[murad_368@live.com] will be very thankfull to u for this act of kindness.
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Microcontroller ebooks Projects codes examples st@rediffmail.com | 03 Dec : 00:54
hi
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Microcontroller ebooks Projects codes examples chain_gang | 31 Dec : 10:28
Hi! this is an awesome project. Can u please tell me how do we transmit the text if we dont have a DTMF transmitter?
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Microcontroller ebooks Projects codes examples suresh.b | 03 Feb : 03:42
hi:) my email id is sureshbantu@gmail.com
can u pls send me the documentation of this project.., am workin in chennai .we hav our application on plc's and scada., pls do this needful:)
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Microcontroller ebooks Projects codes examples kk | 03 Feb : 11:34
hay friends..!! this man here selling the projects ..!! i am wornign u all.. he his a professional.. he he not a student wellwisher.. !!
he will never provide u the complete project for ur help..!! observe tht..!!

in any project.. no one has said that --- ok this is working ..!!
he trickfully keep the errors in both -- code and the schematics.
and the innocent students be the victim alwys.. !!!

in a day .. from india - may be 100 or more students are the victims of this site and thy are trapped why thy are near to there dates for VIVA in the college and .. this projects are not runing..!!

-- Rony


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Microcontroller ebooks Projects codes examples satish nigude | 13 Feb : 22:55
W.R.T. telephone interfacing diagram how to find out TAP and RING lines?
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Microcontroller ebooks Projects codes examples aljo | 19 Feb : 03:42
what about reply of rony.he tell about everything wrong.please send me.
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Microcontroller ebooks Projects codes examples champ_rabin | 08 Jun : 22:44
u r follin every one visitin this site . Don't u ever try this again

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Microcontroller ebooks Projects codes examples sauravkrjaiswal@rediffmai.com | 12 Jul : 05:58
hi i'm interested in this project can give you that. Thanks
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Microcontroller ebooks Projects codes examples anup3188@gmail.com | 30 Jul : 03:44
could u please give me a brief working of this kit.thank u . my id is anup3188@gmail.com
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Microcontroller ebooks Projects codes examples bktguy | 11 Sep : 01:06
plz send me complete details with project report.

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Microcontroller ebooks Projects codes examples laya | 30 Dec : 03:29
Iam interested abt ths topic. so if u dnt mind can u snt the detailed working of this topic .my id is (layasure@gmail.com)
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Microcontroller ebooks Projects codes examples Ajay Bhargav | 30 Dec : 05:15
use forum and ask your doubts there.
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Microcontroller ebooks Projects codes examples Engr.moaz Anjum | 14 Jan : 02:19
Plz fwd its report at engr.moaz@yahoo.com
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