煤矿粉尘检测系统VIP免费

工学院毕业设计（论文）题目：煤矿井下粉尘浓度的监测系统设计专业：电子信息工程班级：08级一班姓名：陈建宁学号：1665080104指导教师：樊晓宇日期：2012.5.28目录引言....................................................................................................................................................11绪论.................................................................................................................................................11.1单片机技术的现状及发展前景........................................................错误！未定义书签。1.2单片机的应用......................................................................................................................41.3课题的内容..........................................................................................................................42粉尘浓度控制系统的总体方案设计.............................................................................................53系统硬件设计.................................................................................................................................63.1单片机最小系统的设计....................................................................................................................73.1.1电源..........................................................................................................................83.1.2复位电路..................................................................................................................93.1.3振荡电路................................................................................................................103.2液晶显示电路....................................................................................................................103.3语音模块............................................................................................................................123.4传感电路............................................................................................................................133.5控制电路.............................................................................................................................................143.6键位路………………………………………………………………….......................154系统软件设计...............................................................................................................................164.1设计环境...........................................................................................................................164.2系统程序框图....................................................................................................................174.3硬件调试............................................................................................................................184.4软件调试............................................................................................................................195结论...............................................................................................................................................18致谢..................................................................................................................................................21参考文献....................................................................