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    IoT-Based Smart Gas Meter With LTE Connectivity and Cloud Analytics for Stationary Tanks
    (Institute of Electrical and Electronics Engineers (IEEE), 2026)
    Valdivia, Leonardo  
    ;
    Del-Valle-Soto, Carolina  
    ;
    López-Pimentel, Juan Carlos  
    Millions of homes in developing countries rely on stationary LPG tanks, yet the methods for monitoring fuel levels remain manual, unsafe, and highly inefficient. This paper addresses this issue by presenting the design, development, and implementation of an IoT-based smart gas meter that uses a noninvasive Hall-effect sensor to digitally read existing level gauges. Data is transmitted via LTE, eliminating the need for Wi-Fi and optimizing connectivity. The system is designed for low power consumption, achieving a battery life of more than eight years. Additionally, a cloud architecture is implemented in AWS to process the collected data, allowing real-time analysis, predictive maintenance, and logistics optimization. A field test was also conducted with 15 prototypes, demonstrating accurate gas level monitoring, reliable refill detection, and gas theft prevention.