Abstract
Gas leaks and the danger they bring with them remain a primary concern for many despite the advances in current technology. The challenges people face in preventing gas leakage in their environment are the knowledge about gas leaks and the expensive tools and countermeasures they need to purchase in return for their safety. Thus, the study utilized experimental research wherein the main objective of the study was to create a gas leak detector using a Metal Oxide Semiconductor (MQ2) as the primary component and interfaced with Arduino UNO to activate the alarm system of the device. The study's results proved the feasibility of the Metal Oxide Semiconductor sensor as the main component in making a gas leak detector in terms of the distance the device can detect gas leakage, detecting up to 2 meters. Second, the amount of time it takes for the sensor to detect a gas leak, with averages of 4.62 seconds for 0.5 meters and 9.39 seconds for 1 meter. The researchers determined that the gas leak detector can detect gas leaks up to 2 meters with an interval of half a meter, as all the trials that were done resulted in a passing rate.
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