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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System Jurnal Teknik Terapan (J-TETA) International Journal of Health and Information System (IJHIS) International Journal of Technology, Food and Agriculture SEJAGAT : Jurnal Pengabdian Masyarakat
Putri, Salsabila Liandra
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Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Library & Information Science Mechanical Engineering Medicine & Pharmacology Public Health Other

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ANALISIS PERFORMA PROTOKOL MQTT PADA SISTEM MONITORING GAS BERBAHAYA MENGGUNAKAN SENSOR MQ135 TERINTEGRASI ANDROID Genarsih, Tunjung; Indrasari, Nindayu; Rohman, Ardianto Syaifur; Dwianto, Sihmaulana; Dwinanda, Angga; Putri, Salsabila Liandra; Qanitah, Qanitah
Jurnal Media Elektro Vol 15 No 1 (2026): April 2026
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.28118

Abstract

This study analyzes the performance of the Message Queuing Telemetry Transport (MQTT) protocol in a hazardous gas monitoring system using an MQ135 sensor and an ESP8266 NodeMCU microcontroller, integrated with a Flutter-based Android application. The monitored gases include CO, NO₂, CO₂, and SO₂, based on the threshold limits set by Permenaker No. 5 of 2018. The objective of this study is to evaluate MQTT Quality of Service (QoS) parameters, including delay, jitter, packet loss, and throughput, across three QoS levels (0, 1, and 2). Sensor validation was conducted using the Repeatability Test and Threshold Detection Test. The results show that the sensor demonstrates good reliability with CV values ranging from 1.92% to 3.78% and an average detection success rate of 98.9%. MQTT testing indicates that QoS 0 achieves the lowest delay (42.3 ms), jitter (3.12 ms), and zero packet loss, and the highest throughput (18.6 kbps). Additionally, the system provides real-time notification with an average response time below 500 ms. However, QoS 1 is identified as the optimal configuration, balancing delivery reliability and network efficiency for real-time laboratory safety monitoring systems
Co-Authors Aditya Wahyu Pratama Afianah, Nuzula Afriansyah, Faisal Lutfi Alfiansyah, Faisal Luthfi Dicky Adi Tyagita Dwianto, Sihmaulana Dwinanda, Angga Fanani, Nurul Zainal Indrasari, Nindayu Kautsar, Syamsiar Kindi, Muhammad Koesacep, HAP Nafsiyah, Haniatun Nari, Mochamad Irwan Nari, Mochammad Irwan Nari, Muhammad Irwan Purnomo, Fendik Eko Qanitah, Qanitah Rofi'i, Ahmad Rofi’i, Ahmad Rohman, Ardianto Syaifur Tunjung Genarsih, Tunjung Wahyu Pratama, Aditya Winadi, Aditya Wahyu Winardi, Aditya Wahyu