无锡职业技术学院--毕业设计任务书课题名称基于单片机的温湿度监测系统指导教师职称讲师指导教师职称工程师专业名称班级学生姓名学号课题需要完成的任务：1、基于单片机设计一个温湿度监测系统，要求：1、温度18~28℃，相对湿度40%~70%；2、用户可以设置系统温湿度报警值；3、检测得到的数据可以通过显示模块显示。2、可行性方案分析及方案论述。3、系统设计（各功能模块设计和接口电路设计）。4、软件设计及调试。5、电路原理图的绘制。6、毕业论文撰写。课题计划：1.11~2.10查资料，初步方案设计；2.11~2.20确定最佳方案；2.21~4.7设计电路，绘制电路，写毕业论文。4.8~4.15修改、完善毕业论文，并做答辩准备。计划答辩时间：4.8~4.15电子信息技术系（部、分院）2012年12月10日AbstractInrecentyears,withthecomputerpenetrationinthesocialfield,theapplicationofSCMistokeepatthesametime,traditionalcontroltestingupdateonCrescentbenefits.Inreal-timedetectionandautomaticcontrolsystemofsingle-chipapplications,oftenasasingle-chipcorecomponenttouseonlysingle-chipisnotenoughknowledge,butalsothespecifichardwarestructureandthespecificfeaturesofapplicationsoftwareobjectscombinetomakeperfect.Inthispaper,bothhardwareandsoftwareforautomaticcontrolofwatertemperatureontheprocess,inthecontrolofthemainapplicationoftheprocessofAT89C51,ADC0809,LEDdisplay,LM324comparator,butmainlythroughthedigitaltemperaturesensorDS18B20collectingambienttemperaturetosingle-chipmicrocomputerasthecorecontrolcomponents,andthroughfourreal-timedigitaldisplayofadigitalthermometertemperature.Softwareusingassemblylanguageforprogramming,sothattheimplementationofDirectivespeed,tosavestoragespace.Inordertofacilitatetheexpansionandchangestothedesignofmodularsoftwarestructure,sothatthelogicoftherelationshipbetweenprogramdesignmoreconcise,Hardwaresoftwareco-operationunderthecontrolofit.Andsystematicprocessis:Firstofall,bysettingthebutton,setthethermostattemperatureatthetimeofoperation,anddigitaldisplayofthetemperature.Then,intherunningtemperatureoftheprocessofsamplinganalogintotheA/Dconverterinthesimulation-digitalconverter,andthenconverteddigitalcontrolwithdigitaldisplay,thelastsingle-chipmicrocomputertocontroltheheaterusedforheatingorstopheatinguntilthetemperatureintheprovisionsundertheconstanttemperatureheating.Keywords：Single-chipmicrocomputersystem；Sensor；DataAcquisition；ADC；Temperature