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International Journal of Zoology and Applied Biosciences Research Article
A microcontroller-based respiratory monitoring system for continuous patient breathing assessment
Dhilip kumar P, Diwakaran S, Lavanya R, Karthick K, Jenifer E
Year : 2025 | Pages: 635-639
Received on: 01/10/2025
Revised on: 22/10/2025
Accepted on: 27/11/2025
Published on: 01/12/2025
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Dhilip kumar P, Diwakaran S, Lavanya R, Karthick K, Jenifer E( 2025).
A microcontroller-based respiratory monitoring system for continuous patient breathing assessment
. International Journal of Zoology and Applied Biosciences, 10( 6), 635-639.
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Abstract
Respiration is a vital physiological process responsible for supplying oxygen to body tissues and removing carbon dioxide. Monitoring respiratory rate is crucial for patients with conditions such as coma, trauma, stroke, seizures, and respiratory distress, where continuous assessment can prevent life-threatening complications. This paper presents the design and development of a microcontroller-based respiratory monitoring system using an Arduino UNO (ATmega328P) platform. The system integrates a thermistor-based temperature sensor for detecting inhalation and exhalation, along with a heart pulse rate sensor, LCD interface, LED indicators, and an alarm module for abnormal readings. When the patient breathes through a mask fitted with a thermistor, variations in airflow temperature allow accurate measurement of breathing rate. The prototype provides a low-cost, efficient, and user-friendly solution for real-time respiratory monitoring in clinical and emergency care settings.
Keywords
Respiratory monitoring, Microcontroller, Arduino UNO, Thermistor sensor, Pulse rate sensor.
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© The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
