by Yiqian Lin, Yuquan Wang, Yuewen Hua, Yongling Jiang, Qi Li, Haifeng Wang
2025,12(4);
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Abstract
With the rapid growth of the aging population, ensuring the health and safety of elderly people
living alone has become increasingly important. This paper presents the design and implementation of an
embedded health monitoring system based on the STM32F103C8T6 microcontroller. The system integrates a
DS18B20 temperature sensor, a MAX30102 heart rate and blood oxygen sensor, an MPU6050 inertial sensor,
a GPS positioning module, an OLED display, and an ESP32 wireless communication module, enabling realtime acquisition of physiological parameters, motion status, and location information. Alarm thresholds can be
configured locally or remotely via a mobile application. When abnormal physiological conditions or fall events
are detected, the system triggers alarm notifications and uploads data to a cloud platform for remote monitoring.
Experimental results show that the proposed system provides stable wireless communication, reliable data
acquisition, and effective abnormal event detection, demonstrating its feasibility and practicality for elderly
health monitoring applications.
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