目录摘要..............................................................................................................................................................IABSTRACT........................................................................................................................................................II1引言............................................................................................................................................................11.1设计的背景和意义..........................................................................................................................11.2国内外研究现状..............................................................................................................................11.3毕业设计研究内容、拟解决的主要问题......................................................................................21.4毕业设计研究方法、步骤及措施..................................................................................................22系统硬件方案选择.....................................................................................................................................32.1硬件方案的选择..............................................................................................................................32.1.1主控芯片的选择...................................................................................................................32.1.2显示器件的选择....................................................................................................................32.1.3温度传感器的选择...............................................................................................................42.1.4温度设置方式的选择...........................................................................................................42.2系统总体方案..................................................................................................................................43系统硬件设计.............................................................................................................................................53.1STC89C51单片机最小系统的设计.................................................................................................53.2显示电路模块的设计......................................................................................................................73.3温度采集模块的设计......................................................................................................................83.4红外遥感电路模块的设计..............................................................................................................93.5报警模块电路的设计....................................................................................................................103.6继电器驱动电路设计....................................................................................................................103.7独立按键电路的设计....................................................................................................................114源程序代码的编写....................................................................................................................................115结论.....................................................
