基于STM32的蓝牙无线多功能智能手环设计  

Design of bluetooth wireless multifunctional intelligent bracelet based on STM32

作　　者：惠鹏飞[1] 邹立颖[1] 周健 HUI Pengfei;ZOU Liying;ZHOU Jian(School of Communication and Electronic Engineering,Qiqihar University,Qiqihar 161006,China)

机构地区：[1]齐齐哈尔大学通信与电子工程学院,黑龙江齐齐哈尔161006

出　　处：《高师理科学刊》2023年第11期27-31,38,共6页Journal of Science of Teachers＇College and University

基　　金：黑龙江省省属高等学校基本科研业务费科研项目(145109147)。

摘　　要：将蓝牙技术应用到智能手环,发挥其低功耗的优势,设计了蓝牙无线多功能智能手环.设备以STM32为核心处理器,包括加速度传感器、心率血氧传感器、OLED液晶显示器、电源线路、PM2.5传感器、DS1302时钟芯片和温度传感器.利用加速度传感器监测重力加速度,进而判定人体的行走速度和姿态,将监测数据转换成计步的功能.利用心率血氧饱和度传感器采集人体的心率血氧饱和度信息,数据经放大处理后发送至单片机,并将步数、心率血氧饱和度、温度、时间显示在OLED屏幕上.使用JDK和AndroidSDK开发了手机APP,能够通过HC-05无线蓝牙把当前的数据发送到手机端进行显示,方便用户随时观察自身体征状况.该智能手环工作性能稳定,操作方便,数据显示准确,具有较好的实用价值.Applying bluetooth technology to the intelligent bracelet and leveraging its low-power advantages,a bluetooth wireless multifunctional intelligent bracelet has been designed.The device uses STM32 as the core processor,including acceleration sensor,heart rate and blood oxygen sensor,OLED LCD display,power circuit,PM2.5 sensor,DS1302 clock chip,and temperature sensor.Utilizing acceleration sensors to monitor gravity acceleration and determine the walking speed and posture of the human body,converting the monitoring data into a step counting function.The heart rate and blood oxygen saturation sensor is used to collect the information of the human body′s heart rate and blood oxygen saturation.The data is amplified and sent to the microcontroller,and the steps,heart rate and blood oxygen saturation,temperature,and time are displayed on the OLED screen.A mobile APP has been developed using JDK and Android SDK,which can send current data to the phone for display through HC-05 wireless bluetooth,making it convenient for users to observe their physical condition at any time.The intelligent bracelet has stable working performance,convenient operation,accurate data display,and good practical value.

关 键 词：智能手环 STM32 传感器 蓝牙 计步器 液晶显示 

分 类 号：TN919.72[电子电信—通信与信息系统]