Gas Detection Microcontroller-GSM Based Security System

Yeong, Wei Heng (2011) Gas Detection Microcontroller-GSM Based Security System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Gas Detection Microcontroller-GSM Based Security System is a security system o prevent fires or gas leak crimes developed by applying gas sensor and GSM echnology is presented. It can detect leaking of raw gas, and send alert message emotely. The hardware of this system includes the TGS 2600 gas sensor, PIC l6F877A icrocontroller, as well as the MOD 9001D RS232 GSM/GPRS Modem. The system oftware developed in Hi-Tech C language has the ability of collecting, receiving and ending data, and can send a piece of alarm short message (SMS) to the user's mobile hone when some dangerous condition (gas leak) has been detected. The Gas Detection icrocontroller-GSM Based Security System is intended to provide security for houses hen house owners are away. This system suitable for the users who are absence­ inded, for example always forget to switch off the gas when go out. Besides that this roject not only can be use for houses, it is also work for industry factories where fires nd gas leak are easily happen in a industry factories. This system monitors the house or actory with sensors and informs the house or factory owners, police station and fire epartment when it detects a gas leak with gas sensor. Sensor is connected to a circuit hich is a PIC microcontroller circuit, which have program and replace the character of C, and the circuit is connected to GSM modem. Once the sensor is detected, the circuit etrieves d ata from sensor, and sends SMS to u sers through GSM modem. Therefore, mprove the chances for reducing the risks to life and property in order to make sure the heir properties is secure and take the action as soon as possible, anywhere and anytime, lthough they are abroad.

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