Article
SMART SAFETY DEVICE FOR WOMEN USING IOT
Women's safety remains a critical concern in modern society, with increasing incidents of harassment, assault, and health emergencies demanding robust, real-time protective solutions. This paper presents the design and implementation of a Smart Safety Device for Women using IoT, centred on the ESP32 microcontroller. The proposed system continuously monitors vital health parameters including blood oxygen saturation (SpO₂), body temperature, and fall detection, while also integrating a manual panic switch for immediate emergency alerting. Upon detection of any anomaly or panic activation, the system triggers a buzzer alarm, sends an SMS alert with GPS location via a GSM module, and uploads sensor data and a captured image to the IoT cloud platform for remote monitoring. The ESP32-CAM module captures and transmits visual evidence to the cloud server. A 16×2 LCD display provides real-time local feedback. Experimental results demonstrate an overall system response accuracy of 96.8%, with precision of 96.1%, recall of 97.4%, and F1-score of 96.7%. The proposed system outperforms existing wearable and application-based safety devices in terms of real-time monitoring, multi-sensor integration, and autonomous alert capability.
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