Design And Development An Interactive Telephone Based Remote Control And Security System

Mohd A'idil , Osman (2009) Design And Development An Interactive Telephone Based Remote Control And Security System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project describes the design and development of an interactive phonebased remote control and security for homes using telephone fixed lines. The systems were designed based on the DTMF (Dual Tones Multi-frequency) signals that are produced by the telephone system. The system hardware and software were designed based on the telephone standard. The hardware part includes the DTMF transceiver, on I off Hook detector, Ring detector, and (Radio Frequency) RF Transmitter and Receiver, and Alarm security system. The system would contact the users and notify them if any emergency has occurred, using auto dialer system, which act as a security system, where the term emergency refers to magnetic switch when it is triggered or activated. It uses USART (Universal Synchronous Asynchronous Receiver Transmitter) as communication between two PIC16F877A, which combined two advantages found in telephone, and microcontroller unit that will act as the mainframe data processing unit, thus producing a better and more reliable remote control. Some assumptions are made in the prototype system and recommendations or future improvements are suggested.

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