本科生毕业论文(设计)题目：智能小区信息公告提示系统设计学生姓名：禹江华学号：201016030217专业班级：建筑电气与智能化指导教师：伍宗富完成时间：2014年5月10日目录摘要.............................................................................................................................................IAbstract......................................................................................................................................II第1章绪论..........................................................................................................................11.1当前国内外现状研究...................................................................................................11.2系统方案比较与选择...................................................................................................21.2.1方案一...............................................................................................................21.2.2方案二...............................................................................................................31.2.3方案三...............................................................................................................41.2.4方案选择...........................................................................................................6第2章硬件电路的设计和实现.............................................................................................72.1LED显示屏总体方案设计...........................................................................................72.1.1LED最小单元模块............................................................................................92.1.2LED驱动电路设计..........................................................................................112.1.3LED字符显示原理.........................................................................................162.2无线发射模块电路设计............................................................................................172.2.1QN8027收发芯片...........................................................................................172.2.2RS-232串口通信............................................................................................202.3无线接收模块电路设计与实现................................................................................222.3.1I2C总线电路...................................................................................................222.4电源供电方案............................................................................................................23第3章系统软件设计...........................................................................................................253.1上位机管理系统程序设计.........................................................................................253.1.1概要设计.........................................................................................................253.1.2软件详细设计.................................................................................................263.2下位机程序设计与实现............................................................................................323.2.1无线发射模块程序设计.................................................................................323.2.2无线接收模块程序设计............................
