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All Journal GEMA TEKNOLOGI
Kartika Hialdha Marel
Universitas Diponegoro
Computer Science & IT

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Rancang Bangun Pendeteksi Kebocoran Gas LPG (Liquefied Petroleum Gas) Berbasis Arduino Uno Menggunakan Sensor MQ-5 Dan Buzzer Kartika Hialdha Marel; Yuniarto Yuniarto
Gema Teknologi Vol 22, No 4 (2024): October 2023 - April 2024
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/gt.v22i4.90302

Abstract

Kartika Hialdha Marel 1), Yuniarto 2),  LPG gas leakage is one of the causes of fires and explosions that can endanger safety. This research aims to design and develop an LPG gas leakage detection system based on Arduino Uno using an MQ-5 sensor, buzzer, LEDs, and a 16x2 I2C LCD as warning and information media. The MQ-5 sensor is used to detect LPG gas concentration in Parts Per Million (PPM), then the data is processed by Arduino Uno to determine the system condition based on a predetermined threshold value. The system was tested under five conditions, namely no gas, low gas concentration, medium gas concentration, high gas concentration, and system response testing. The test results showed that under normal conditions the gas concentration remained within a safe range, while under high gas concentration conditions the system was able to detect concentrations up to 367.45 PPM and automatically activate the buzzer and blinking red LED when the concentration exceeded 200 PPM. Based on the test results, the system successfully operated according to the design in detecting LPG gas leakage and providing automatic early warning.
Co-Authors Yuniarto Yuniarto, Yuniarto