基于51单片机温湿度监控系统毕业设计-毕业设计（论文）.doc.doc

[精品论文]摘要温湿度监控是人们对居室要求的重要指标之一,也是影响人体健康的重要因素之一。为了保证对温湿度良好的监测和控制,本文采用数字式温湿度传感器SHTll来设计居室温湿度监测系统,以达到简化软硬件系统设计,提高测量精度的目的。首先介绍了SHTll的结构特点、接口电路,以及温湿度测量系统的软硬件设计方案,最后基于AT89C51单片机和光电耦合器设计了电路简洁、大大节省I/O口资源的居室温湿度监控系统,保证了由AT89C51单片机输出的弱电来控制外围的强电电路,本设计不仅仅只是在原理上可行,而且在实际运用中也了能实现对人们居室温湿度的精确测量与控制,该电路简单且工作稳定,集成度高,操作方便、灵活,对满足人们居室环境的要求具有一定的实用价值和意义。关键字:AT89C51单片机,SHT11,光电耦合器[精品论文]AbstractThetemperatureandhumiditycontroltotherequirementsofthebedroomispeopleimportantindexes,,thispaperusingdigitaltemperatureandhumiditysensorstodesignSHTllbedroomtemperatureandhumiditymonitoringsystem,inordertoachievethesimplifiedthehardwareandsoftwaresystemdesign,,interfacecircuit,andthetemperatureandhumiditymeasurementsystemhardwareandsoftwaredesignscheme,thenbasedonAT89C51single-ouplingcontrolcircuitdesignthesimplecircuit,savetheI/Omouthoftemperatureandhumiditycontrolsystemresourcesbedroom,ensuretheelectricityoutputbyAT89C51single-putertocontrolintheouterreachesofthehighvoltagecircuit,thisdesignisnotjustinprincipleonfeasible,butalsointhepracticalapplicationofthebedroomcanrealizetopeopletheprecisemeasurementofthetemperatureandhumidityandcontrol,thecircuitissimpleandstableoperation,highlevelofintegration,convenientoperation,flexible,:AT98C51,SHT11,,oupledcircuit[精品论文]目录摘要..........................................................................................................................IABSTRACT..............................................................................................................................................................................................................................................................................................................