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.............................................................................................72.1 LED 显示屏总体方案设计...........................................................................................72.1.1 LED 最小单元模块............................................................................................92.1.2 LED 驱动电路设计..........................................................................................112.1.3 LED 字符显示原理.........................................................................................162.2 无线发射模块电路设计.......
