A Low-Cost Arduino and Python Based Gas Sensing Setup: Bridging Theory and Practice in Educational Environments
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[1] Bharathiar University
Bharathiar University
India
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- Localización: Journal of chemical education, ISSN 0021-9584, Vol. 101, Nº 12, 2024, págs. 5361-5368
- Idioma: inglés
- Texto completo no disponible (Saber más ...)
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Resumen
The article describes the development of a versatile gas sensing platform using an Arduino UNO microcontroller. The system utilizes the widely available MQ3 gas sensor for practical applications in educational contexts. To enhance student understanding of gas sensing principles, the project focuses on exploring the gas sensing properties of the SnO2-based MQ3 sensor, specifically for ethanol detection. The Arduino code collects data at regular intervals and transmits it via Bluetooth to a custom mobile application for real-time visualization. This hands-on project allows students to investigate various aspects of gas sensing, including the linear relationship between the gas concentration and sensor resistance during targeted gas exposure. The platform’s easy-to-assemble design and clear code make it suitable for diverse educational settings from high school chemistry laboratories to undergraduate instrumental analysis courses.
