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Description
Recent advances in nanoelectronic sensing technologies have enabled the development of compact and intelligent wearable systems for occupational safety applications. This paper presents an IoT-based smart safety vest that leverages miniaturized nanoelectronic wearable sensors to continuously monitor workers' physiological and environmental conditions while providing active feedback for early hazard prevention. The proposed system integrates physiological data acquired from a smartwatch with environmental parameters collected through embedded sensing modules installed on the vest. A low-power embedded controller performs real-time data acquisition, processing, and wireless transmission to a cloud-based monitoring platform for centralized supervision. When abnormal physiological conditions or hazardous environmental situations are detected, the system immediately activates active feedback mechanisms, including vibration alerts, audible alarms, and visual indicators, to notify workers and improve situational awareness. Furthermore, the web-based dashboard enables supervisors to monitor workers' health status, environmental conditions, and location information in real time, facilitating rapid decision-making during emergency situations. By combining nanoelectronic wearable sensing, embedded IoT architecture, and intelligent feedback mechanisms, the proposed smart safety vest provides a scalable and practical solution for enhancing occupational safety in construction, manufacturing, mining, and energy industries. The proposed approach also demonstrates the potential of wearable nanoelectronic systems for future smart industrial safety and digital occupational health applications.
