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All Journal INAJEEE (Indonesian Journal of Electrical and Electronics Engineering)
Dhea Rahman, Akbar
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Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Micro-Controller Based Biogas Production Monitoring System Junus, Mochammad; Dhea Rahman, Akbar; Fikri Shodiq, Ridhofir
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 8 No. 2 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v8n2.p69-75

Abstract

Biogas still has limitations in monitoring gas quality parameters and mobility. This research aims to design an IoT-based mini biogas reactor equipped with a contaminant purification system, wheels for mobility, and a solenoid valve for automatic gas flow and integrated sensors to optimize biogas production and safety. The prototype is designed by integrating MQ-4 (CH₄), MQ-135 (CO₂), MPX5700AP (pressure), and DS18B20 (temperature) sensors connected to an Arduino nano. Sensor data is processed in real-time and displayed on a 20x4 LCD, while a SIM800L GSM module sends data via SMS periodically. The stepwise purification system using activated carbon successfully increased the purity of CH₄ from 55% to >70%. This research proves that IoT integration, automatic purification can be an innovative solution to improve production efficiency, safety, in rural and livestock environments. Keywords: Biogas, IoT, Arduino, Gas Purification Gas, Sensor Gas, Real Time.  
Co-Authors Fikri Shodiq, Ridhofir Mochammad Junus