学科分类号0806本科生毕业论文(设计)题目（中文）：塑料大棚恒温控制器的设计与实现（英文）：ConstantTemperatureControllerDesignandImplementationofthePlasticGreenhouse目录摘要....................................................................................................................................I关键词..................................................................................................................................IAbstract.................................................................................................................................IKeywords............................................................................................................................II1前言..................................................................................................................................12任务分析与方案论证.......................................................................................................32.1任务分析....................................................................................................................32.2两种方案的比较........................................................................................................42.2.1方案一..................................................................................................................42.2.2方案二..................................................................................................................42.3实现方法简述............................................................................................................43硬件电路的设计...............................................................................................................53.1单片机最小系统........................................................................................................53.1.1单片机STC12C5A16S2......................................................................................53.1.2按键电路..............................................................................................................73.1.3显示电路..............................................................................................................73.1.4报警电路..............................................................................................................83.2DS18B20温度传感器与单片机的接口电路............................................................83.2.1DS18B20温度传感器.........................................................................................83.2.2DS18B20的操作时序.......................................................................................113.3继电器输出电路......................................................................................................123.4电源电路..................................................................................................................134软件设计.........................................................................................................................144.1系统流程图..............................................................................................................144.2系统程序模块的设计..............................................................................................144.3DB18B20测量温度的程序设计.................................
