基于单片机的智能手环设计与实现

基于单片机的智能手环设计与实现摘要人们对健康的需求也逐步增加，尤其是智能化时代的到来。智能手表、智能手环不断更新迭代，已经融入人们的日常生活中，但现在的价格高。完成低成本智能手环设计，一方面可以用于人们生活中的健康监测，对人体健康监测具有积极意义。本课题针对智能手环的设计展开研究，针对智能手环研究现状展开相应调研，明确智能手环设计方向。首先，针对智能手环使用的传感器进行选型，选择MAX30102传感器作为心率与血氧检测传感器、ADXL345检测加速度信息，经过综合处理后换算为步数、DS18B20检测体温，经过对多种主控制器对比后选择了STM32℉103系列单片机作为主控制器，并完成硬件方案与软件方案设计。其次，利用EDA软件完成了智能手环的电子设计，并完成PCB加工，结合软件程序进行软件与硬件联合调试，实现了智能手环的基本功能。最后，对智能手环的各功能进行调试，实现了心率、血氧、体温的实时检测，同时在行走时可以自动记录步数，结合人体健康参数实现了心率、血氧、体温超限报警，可以更好的监测人体健康。关键词：单片机：智能手环：电子设计AbstractPeople's demand for health is gradually increasing,especially with the advent of theintelligent era.Smart watches and smart bracelets are constantly updated and iterated,andhave been integrated into people's daily lives,but now their prices are high.Completing thedesign of low-cost smart wristbands can be used for health monitoring in people's daily lives,which has positive significance for human health monitoring.This project focuses on thedesign of smart bracelets,conducts corresponding research on the current research status ofsmart bracelets,and clarifies the direction of smart bracelet design.Firstly,for the sensors used in smart bracelets,the MAX30102 sensor was selected as theheart rate and blood oxygen detection sensor,the ADXL345 sensor was used to detectacceleration information,and after comprehensive processing,it was converted into steps.The DS18B20 sensor was used to detect body temperature.After comparing multiple maincontrollers,the STM32F103 series microcontroller was selected as the main controller,andthe hardware and software solutions were designed.Furthermore,EDA software was used to complete the hardware circuit and PCB designof the smart bracelet,and PCB processing was completed.Combined with software programs,software and hardware were jointly debugged to achieve the basic functions of the smartbracelet.Finally,the various functions of the smart bracelet were debugged to achieve real-timedetection of heart rate,blood oxygen,and body temperature.At the same time,the number ofsteps can be automatically recorded while walking.Combined with human health parameters,heart rate,blood oxygen,and body temperature exceeding alarms were implemented,whichcan better monitor human health.Key words:Single-chip computer;Smart bracelet;Electronic design目录摘要。Abstract....基于单片机的智能手环设计与实现第1章绪论1.1课题研究背景与意义1.2智能手环研究现状.1.3智能手环当前存在的问题分析…1.4本课题主要研究内容…第2章系统总体方案设计32.1系统总体方案.32.2功能要求.32.3关键器件选型。.32.3.1主控制器选择】.32.3.2传感器选择2.3.3显示模块..92.3.4时钟模块选型.92.3.5其他阻容元件.10第3章硬件系统设计….113.1智能手环系统硬件电路3.2主控电路设计3.2.1处理器介绍3.2.2主控电路设计.123.3显示电路设计..133.4传感器电路设计.….143.4.1心率血氧检测传感器电路设计.143.4.2ADXL345计步器电路设计.153.4.3温度传感器电路设计…163.5按键电路设计…173.6报警电路设计.173.7时钟电路设计.18第4章软件设计与调试】.194.1主程序流程..194.2显示电路程序设计.….204.3传感器程序设计.204.3.1心率血氧检测传感器程序设计204.3.2ADXL345计步器程序设计.214.3.3温度传感器程序设计.224.4按键电路程序设计234.5声光报警程序设计.234.6时钟程序设计..24第5章综合调试255.1电路板焊接。.255.2软件功能调试..255.2.1心率血氧检测功能调试265.2.2计步功能调试..275.2.3体温检测功能调试.285.2.4按键电路功能调试.285.3测试总结….29结论.30参考文献.31附录.32致谢.34