基于STM32F103C8T6的独居老年人智能手环系统设计

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关键词：独居老人；STM32F103C8T6；心率检测；血氧饱和度；可穿戴手环中图分类号：TP368.1 文献标志码：A 文章编号：1003-5168（2025）21-0017-06DOI：10.19968/j.cnki.hnkj.1003-5168.2025.21.004

Abstract： [Purposes] In order to activelyaddress the aging population and alleviate the caregiving difficulties of elderly people living alone，a wearable smart bracelet designed for the care of elderly people living alone has been developed to enhance their health and safety protection.[Methods] The system is based on the STM32F103C8T6 microcontroller，integrating the MAX30102 pulse oximeter sensor to collect heart rateand blood oxygen saturation in real time，and the MPU6o5O gyroscope module to monitor the elderly's posture and fallstatus.Thecollected data is analyzed by the main controlchip.If heart rate， blood oxygen，or posture data exceeds safety thresholds，the systemsends an alarm signal to terminal devices through a wireless communication module，triggering the voice playback system to automatically broadcast arequest for help，thereby achieving remote warning and timely intervention.[Findings] The wristband canstably and accurately obtain the user's heart rate，blood oxygen saturation，and posture information.The system responds quickly with low communication latency.In simulated abnormal situations，the alarm mechanism reliably triggers，verifying the wristband's effectiveness and practicality in real-time monitoring and emergency situations.[Conclusions] This wristband features a simple design and easyoperation，capable of real-time monitoringand alerting of health risks for elderly people living alone，providing timely intervention for their health management，and has practical value for broad application.

Keywords： elderly people living alone; STM32F1O3C8T6; heart rate detection; blood oxygen saturation; wearablebracelet

0 引言

随着我国人口老龄化不断加剧，老年人健康问题日益凸显，成为社会关注焦点。（剩余4143字）