Basic Level     Skills: Not specified    
Author
Author email
[email protected]
Author website
www.binu.somee.com

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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111.4 kB

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58532

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HarveyJebra
Thu Aug 18 2022, 10:22 pm
Waynesit
Thu Aug 18 2022, 07:57 am
IsaacAcemo
Wed Aug 17 2022, 04:15 pm
oprfid123
Tue Aug 16 2022, 07:14 am
Quincysmono
Sun Aug 14 2022, 07:28 pm
Geralddor
Sun Aug 14 2022, 05:05 pm
Scottcrads
Sun Aug 14 2022, 07:55 am
SteverPak
Sat Aug 13 2022, 08:25 am