IoT-Based Methane Monitoring System for Biodigesters Using LoRa Communication
Sistem Pemantauan Gas Methana berbasis IoT pada Biodigester menggunakan komunikasi LoRa
DOI:
https://doi.org/10.21070/ups.10837Keywords:
ESP32, MQ-4, Internet of Things (IoT, LoRa, Methana monitoring, BiodigesterAbstract
Biogas efficiency relies on optimal methane levels, yet manual monitoring is unsafe and lacks remote access. Existing IoT solutions predominantly depend on WiFi, restricting deployment in remote farms with unstable connectivity. This study develops an IoT-LoRa monitoring system to address this gap. An MQ-4 sensor interfaced with an ESP32 detects methane from anaerobic cow manure fermentation. Data is transmitted through a hybrid architecture: locally via LoRa to an ESP32 receiver, and remotely to Blynk and Google Sheets for cloud logging. Performance was evaluated over multiple days, focusing on gas concentration (ppm) and transmission speed (bps). Results demonstrate that the system enables reliable real-time monitoring with stable long-range communication, eliminating the need for on-site internet. This approach enhances operational safety and efficiency, providing a practical solution for off-grid renewable energy management.
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