Abstract
Liquefied Petroleum Gas (LPG) is a highly inflammable gas used as sources of energy in automobiles, industries and for domestic cooking. Disaster occurs when LPG leaks and is in contact with the source of fire which may claim lives and destroy properties. Hence, its early detection is essential for preventing disaster. This paper presented smart detection of LPG leakage in domestic homes and industries. The system consisted of MQ-2 gas sensor which sensed the presence of the gas in the air and sent signal to the Arduino micro controller. The micro-controller informed the embedded Global System for Mobile Communication (GSM) module to send message in form of Short Message Service (SMS) to the users to swing into action in a bid to prevent outbreak of fire. Performance tests carried out to evaluate the system showed the capability of the system to concurrently send SMS to different subscribers and produce audible alarm. It was also observed that SMS was sent to users in a timely and efficient manner. The system could be useful in residential homes and industrial premises for preventing fire hazards.
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