GSM Based Home Security System

Cheng, Kar Lock (2013) GSM Based Home Security System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This report presents a design and implementation of monitoring system of home security with sensor network and Global System for Mobile Communication (GSM) network. The monitoring system of project consists of two sub-systems which are notification system and alert system. Notification system enable user to be notified any alarm incident of home condition via Short Message Service (SMS) which is done over GSM network. Alert system performs visual or audible responses. Visual response is indicated by light while audible responses are indicated by buzzer or siren. A RS 232 serial communication in this project is used to build a communication channel between microcontroller and GSM modem. The chosen microcontroller for this project is a Microchip PIC 16F family series, PIC 16F877A. GSM modem supports AT command set to send data command via SMS. Single Pole Double Throw (SPDT) relay is used as an electronic switch to control the light for on or off state. The firmware of this project enable multi sensors monitoring. Three sensors which are Infrared (IR) sensor, door sensor and Passive Infrared (PIR) sensor are monitored at a time. Liquid Crystal Display (LCD) is used for short distance monitoring while SMS is used for long distance monitoring.

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