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Subject: auto dialing security system

Date: 10/15/02 at 1:01 AM
Posted by: clement
E-mail: clementnsc@yahoo.com
Message Posted:

In Reply to: how to design security system using microcontroller and telephone line posted by mohd ariffanan mohd basri on 07/01/02 at 3:59 AM:

sir,
In this project i tried to make the remote access
by telephone. The alarm system composed of
Heat Detectors, Smoke Detectors and Door Magnetic
Switchs. When the Alarm system is activated , the
controller will dial telephone automatically from the
programmed number to inform users. Any help in a part
of this project is needed and will appreciated... with
my thanks on advance.
Note: i also need a schematic/circuit diagram,
programming and A discription of how the phone dialing
system."cause i will interface the system with the
telephone line to send the programmed number from the
microcontroller to the phone and then auto dial it.


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