Smart Hospital Room Environmental Monitoring: A Real-Time IoT Solution for Patient Care Enhancement
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Universiti Malaysia Sarawak
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In today’s healthcare environment, ensuring patient comfort and safety goes beyond medical treatment, it also involves maintaining a healthy and stable room environment. This project presents the development of a Smart Hospital Room Environmental Monitoring System that uses IoT (Internet of Things) technology to monitor key environmental parameters in real-time. The system is built using an Arduino Nano 33 IoT microcontroller and integrates several sensors including the DHT11 (for temperature and humidity), MLX90614 (for non-contact body temperature), MQ-135 (for air quality), and MQ-9 (for gas and carbon monoxide detection). All collected data is transmitted to the Blynk IoT cloud platform, where healthcare professionals can monitor room conditions remotely through a mobile or web dashboard. The system is also programmed with alert thresholds based on WHO and medical guidelines, so if any reading goes beyond safe limits, immediate notifications are sent to the users. This helps in taking prompt action, especially in critical care environments where patient health can be affected by temperature, air quality, or harmful gases. By combining low-cost hardware and a user-friendly IoT platform, this project aims to demonstrate a practical solution for improving patient care and hospital safety. It also provides a foundation for future upgrades, such as automated ventilation control or AI-driven health prediction. Overall, this system shows how smart technology can support better healthcare environments, especially in resource-constrained settings.