IoT based gas detection using Arduino and ESP8266
Date
2025
Authors
Gandhi, Khushboo
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Abstract
This report presents the development of a scalable Internet of Things (IoT)-based gas detection system leveraging the Arduino Uno, ESP8266 Wi-Fi module, and MQ-5 gas sensor. The primary objective of the system is to detect combustible gases such as methane and propane and to transmit real-time sensor data to a cloud-connected platform.
The prototype serves as a foundational proof of concept for broader safety applications, particularly in industrial environments where gas leaks pose significant hazards. A practical and educational system design has been implemented with attention to hardware interfacing, embedded programming, and network communication.
To complement the core system, a STEM-focused tutorial is provided, introducing learners to sensor integration and cloud data transmission using microcontrollers. The report further outlines a robust future scope wherein the existing system can evolve into a distributed sensor network integrated with Amazon Web Services (AWS) for intelligent alerting, secure data storage, and real-time analytics across geographically distributed facilities.
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Keywords
IoT, gas detection, Arduino, ESP8266, AWS