A Low Cost Gsm /Gprs Based Wirles Home Security System

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International Journal of Scientific & Engineering Research Volume 3, Issue 3, March -2012 1 ISSN 2229-5518
IJSER © 2012
http://www .ijser.org
Design and Implementation of Low Cost Home Security System using GSM Network Sadeque Reza Khan, Ahmed Al Mansur, Alvir Kabir, Shahid Jaman, Nahian Chowdhury Abstract— Home security has been a major issue where crime is increasing and everybody wants to take proper measures to prevent in-trusion. In addition there is a need to automate home so that user can take advantage of the technological advancement in such a way that a person getting off his home does not need to think of his home security again and again. It is therefore the purpose of this invention to provide a security device, which gives immediate notification to the owner and security services like police station or fire brigade at the moment the unauthorized event occurs. This purpose is accomplished via use of some modules and a controller which activates a GSM (Global System for Mobile) module to send one or more SMS (Short Message Service) to the owner and corresponding security services at the time of break in. This system is low cost as it does not contain expensive sensors to detect emergencies and it is also easy to imple-ment as the security modules will take very low space for installation. Index Terms—GSM, Heat sensor, Modem, Microcontroller, Max232, Obstacle sensor, RS232, SMS, Smoke sensor, Sound sensor, Touch sensor. ——————————  —————————— 1 INTRODUCTION

Security systems are important features of a modern Home [1]. The earliest home security systems date back to the early 1900's. These systems were generally expensive and very hard to monitor. In the past 100 years as technology has changed, home security systems have also changed [2]. Early home se-curity systems were very expensive and surprisingly ineffec-tive. The requirement for an efficient and cost effective system to cater the disasterous situations and in order to fulfill the security concerns of home owners when the user is away from home, there was a strong need to develop a cost effective and reliable system to satisfy the security related needs of occu-pants [3]. Home security has changed a great deal over the last century and will continue to do so as long as technology con-tinues to progress [4]. This paper mainly focuses on the con-trolling of home appliances remotely and providing security when the user is away from the place. The system is SMS based and uses wireless technology to revolutionize the stan-dards of living. This system provides ideal solution to the problems faced by home owners in daily life [5]. The system is wireless therefore more adaptable and cost-effective. The project is aimed at developing the security of Home against Intruders and Fire. In any of the above cases if any one met while you are out of your home then the device sends SMS to the emergency number provided to it. The device is made up of three components: one or more sensors set up in a remote array depending on the application; a PIC micro-controller; and a GSM module. 2 PROPOSED SYSTEM

The system contains sensors to detect obstacle, touch, heat, smoke, sound. The whole system is controlled by a PIC micro-controller 16F76. It collects information from the sensors, makes a decision and sends SMS to a corresponding number by using a GSM modem. If it finds any interruption in its sen-sors like if the IR is interrupted then PIC will send a SMS to the home owner and another SMS to the Police Station. In the same way for fire interruption a SMS will be sent to the fire brigade and another to the home owner shown in Fig. 1. 3 SYSTEM DESIGN

The design steps and working principles of the system is or- ————————————————
 Sadeque Reza Khan is with the dept. of electrical and electronic engineering (EEE) in Prime University, Bangladesh, E-mail: sadeque_008@yahoo.com  Ahmed Al Mansur is currently pursuing PhD degree in EEE in Islamic University of Technology,...
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