精品文档---下载后可任意编辑学生姓名： 学生学号： 班级序号： 指导老师：目录一．课程设计的题目及任务要求...................................................................................................3二．课程设计的目的及意义...........................................................................................................2三． 系统方案论证.........................................................................................................................2四． 各单元电路分析与设计.........................................................................................................31. 油压检测电路..........................................................................................................................32. 油温检测电路..........................................................................................................................33. A/D 接口电路...........................................................................................................................44. 单片机扩展电路......................................................................................................................45. 键盘接口电路.........................................................................................................................46. LED 显示接口电路..................................................................................................................57. 报警电路..................................................................................................................................58. 电源电路..................................................................................................................................5五． 电路原理图及 PCB 图............................................................................................................61.电路原理图...............................................................................................................................
