基于STCC单片机防盗报警系统设计

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1、毕业设计（论文）题目基于单片机家庭防盗报警系统设计姓名学号专业班级指导教师分院完成日期目录1绪论................................................................................................11.1发展概况与设计背景............................................................11.2本设计概述............................................................

2、............22总体设计方案...........................................................................32.1方案选择论证....................................................................32.2主控芯片单片机的选择....................................................32.2.1STC89C52的主要性能............................

3、.....................42.2.2STC89C52的引脚结构.................................................52.3传感器的选择..........................................................................62.3.1传感器的红外辐射与红外探测的原理结构................72.3.2红外测温原理.............................................................

4、.......72.3.3热释红外传感器的结构.................................................82.3.4菲涅尔透镜..................................................................102.4热释电红外传感器控制电路芯片的选择..........................113系统硬件设计.......................................................................….133.1低频

5、带通放大电路..............................................................133.2电压比较整形电路..............................................................143.2.1双限电压比较器的工作原理.......................................143.3报警电路............................................................................

6、..153.4灯光警示电路......................................................................163.5状态显示电路......................................................................173.6供电电源电路......................................................................173.7单片机最小系统.............................

7、.....................................184系统软件....................................................................................194.1主程序流程图......................................................................194.2中断函数流程图...............................................................