Abstract
Gas leakage is a significant problem in industries, residential premises and gas powered vehicles. Carbon Monoxide is one type of harmful gas that generates out from vehicle’s AC when it is in ON mode, which can cause suffocation or death for all the passengers within less than hour that according to the science researchers. One of the proposed methods to upgrade safety standards and prevent accidents related to gas leakage is to install gas leakage detection inside the vehicles. This paper discusses the design of gas detection system to detect the presence of a dangerous Carbon Monoxide (Co) leak inside the cars using the MQ-7 gas sensor, and an alert is provided to two users by sending SMS to the programmed mobile numbers. Also, this system decreases the gas concentration by opening the car window using a relay board and motor. If the Co (MQ-7) sensor senses any gas leakage from the AC output of this sensor goes low, and the Arduino monitors this low signal, and it will identify the gas leakage.
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