出租车自动计费器2

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1、目录一、绪论..................................................................................................1二、出租车自动计费器..........................................................................22.1设计任务..................................................................

2、.........................22.2设计目的及意义...............................................................................2三、设计所用仪器....................................................................................2四、所选元器件及仿真软件介绍........................................

3、....................24.1555定时器.......................................................................................34.274160芯片.......................................................................................44.3EWB仿真软件.....................................

4、...........................................5五、方案选择及论证.................................................................................55.1总体设计思路.....................................................................................55.2单位模块设计分析......................

5、......................................................65.2.1电源模块设计..............................................................................65.2.2计费及显示要求..........................................................................65.2.3各功能模块的设计..................

6、.....................................................7六、测试数据及测试结果分析..................................................................8七、收获与体会........................................................................................9八、参考资料...........................

7、.................................................................10九、谢词....................................................................................................10十、附录......................................................................................

8、..............12附录A出租车计费器总电路图.........................................................12附录B仿真图.................................................................