目 录
摘要： .............................................................................................................................................1
1 引言 ..............................................................................................................................................1
1.1 选题目的和意义 ......................................................................................................................1
1.2 本选题在国内外的研究现状和发展趋势 ..............................................................................1
2 系统方案原理及特色 ...............................................................................................................2
2.1 超速报警器设计思路 ...............................................................................................................2
2.2 超速报警器的总原理图 ..........................................................................................................2
2.3 超速报警器的特色 ...................................................................................................................3
3 超速报警器硬件设计 ..................................................................................................................3
3.1 主控模块 ..................................................................................................................................3
3.2 时钟电路 .................................................................................................................................5
3.3 复位电路 ..................................................................................................................................6
3.4 霍尔传感器连接电路 ..............................................................................................................7
3.5 按键电路 ..................................................................................................................................8
3.6 显示电路 ..................................................................................................................................8
3.7 报警电路 ..................................................................................................................................9
4 超速报警器软件设计 ...............................................................................................................10
4.1 程序流程图 ...........................................................................................................................10
4.2 程序设计 ................................................................................................................................11
5 结束语 ........................................................................................................................................15
6 主要参考文献 ............................................................................................................................15
谢 辞 ...........................................................................................................................................17
