大学生电子竞赛设计报告项目名称：环境温度监控报警系统组长：王伟涛组员：王塨、张峰系别：物理系专业：光电器件及其应用方向指导教师：李清贵完成时间：2015年7月25日摘要：本着熟悉单片机编程，系统设计的目的，增强动手合作能力，选择了做单片机实时温度监控报警系统这个实验项目。本开放性实验主要由AT89C52芯片、1602液晶显示器、DS18B20数字式温度传感器、蜂鸣器等组成。通过温度传感器实时采集环境温度显示在液晶屏上，并经过单片机处理，设置两个上限温度报警值，本系统可用于智能家居温控报警，车间温控等，具有一定推广价值。关键字：温度报警温度上下限AT89C52单片机液晶LCD1602温度传感器DS18B20Abstract:Inthedesignofthesinglechipmicrocomputerprogramming,systemdesign,enhancetheabilitytowork,thechoiceofreal-timetemperaturemonitoringandcontrolsystemofsingle-chipmicrocomputer.ThisopenexperimentismainlymadeupofAT89C52chip,1602LCD,DS18B20digitaltemperaturesensor,buzzerandsoon.ThroughthetemperaturesensorstocollecttheenvironmentaltemperaturedisplayontheLCDscreen,andthroughtheSCMprocessing,settwoupperlimittemperaturealarmvalue,thesystemcanbeusedfortheintelligenthomecontrolalarm,workshoptemperaturecontrol,withcertainvalueofpopularization.Keywords:temperaturealarmUpperandlowerlimitsoftemperaturetemperatureAT89C52microcontrollerLCDLCD1602temperaturesensorDS18B20一、课程设计任务...................................................................................11.1、功能介绍.......................................................................................1二、系统整体设计方案...........................................................................12.1、系统组成及功能...........................................................................12.2、系统框架.......................................................................................2三、硬件电路设计...................................................................................23.1、单片机模块...................................................................................33.1.1、AT89C52简介.........................................................................33.1.2、AT89C52的资源：.................................................................43.1.3、引脚说明................................................................................43.1.4、单片机模块电路设计.............................................................73.2传感器模块......................................................................................73.2.1、DS18B20简介.........................................................................73.2.2、DS18B20引脚说明.................................................................83.3、液晶显示模块...............................................................................93.3.1、1602LCD液晶显示屏简介......................................................93.3.2、1602引脚说明........................................................................93.3.3、1602电路设计......................................................................10四、软件模块设计.................................................................................104.1、主程序流程框图.........................................................................104.2、显示模块.....................................................................................124.2.1程序编写说明........................................................................124.2.2、显示子...
