基于单片机的多功能视力保护仪设计  

Design of multifunctional eyesight protector based on single-chip microcontroller

作　　者：祖一康[1] 徐妙婧 ZU Yikang;XU Miaojing(School of Mechatronics and Intelligent Manufacturing,Huanggang Normal University,Huanggang 438000,China;School of Physics and Telecommunications,Huanggang Normal University,Huanggang 438000,China)

机构地区：[1]黄冈师范学院机电与智能制造学院,湖北黄冈438000 [2]黄冈师范学院物理与电信学院,湖北黄冈438000

出　　处：《现代电子技术》2023年第24期47-53,共7页Modern Electronics Technique

基　　金：湖北省教育厅科学研究计划项目(B2022199)。

摘　　要：为了有效保护青少年视力,降低近视率,设计一种多功能视力保护仪。该视力保护仪以STC89C52单片机为控制器,通过HC-SR04超声波模块测量距离;采用光敏电阻检测光线,并通过ADC0832转换为数字量;利用单片机内部定时器实现学习时间定时功能;设计LCD1602显示电路实时显示距离、光线强弱以及学习时间;采用WT588D语音模块实现语音提醒功能,当距离小于设定值、光线大于或小于上下限设定值时发出语音提醒;设计按键电路实现距离、光线和学习时间的设定;还可通过蓝牙通信将信息传输到手机APP,便于家长远程监督。另外,进行视力保护仪的硬件和软件设计,并通过实验进行运行测试。实验结果表明,所设计的视力保护仪达到了预期效果,能够实现视力保护,且结构简单、操作方便,具有广阔的市场前景。In order to effectively protect the eyesight of teenagers and reduce myopia rates,a multifunctional eyesight protector is designed.In the eyesight protector,the STC89C52 is used as the controller,and HC-SR04 ultrasound is used to measure distance.The photoresistor is used to detect the light,and it is converted into digital quantity by means of ADC0832.The internal timer of the microcontroller is used to achieve timing function.The LCD1602 display circuit is designed to display distance,light intensity,and timing in real-time.The WT588D voice module is used to achieve voice reminder function,and a language reminder will be issued when the distance is less than the set value or the light is less than or greater than the set value.The button circuit is designed to set distance,light,and timing time.In addition,information can also be transmitted to mobile apps by means of Bluetooth communication,facilitating remote monitoring by parents.The hardware and software of the eyesight protector are designed,and running tests were conducted by experiments.The experimental results show that the designed eyesight protector can realize the expected effect,can effectively achieve eyesight protection,and has a simple structure,convenient operation,strong application value,and broad market prospects.

关 键 词：视力保护仪 单片机 超声波测距 LCD1602显示电路 蓝牙通信 语音提示 手机APP 

分 类 号：TN915-34[电子电信—通信与信息系统] TP277[电子电信—信息与通信工程]