基于stcc单片机的国旗自动升降系统设计

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1、基于STC89C52单片机的国旗自动升降系统设计太原工业学院毕业设计目录1引言.............................................................................................................................................11.1国旗自动升降系统国内外发展状况....................................................................

2、...........11.2选题目的和意义................................................................................................................22整体设计方案与理论分析...........................................................................................................32.1系统装置理论分析.

3、..........................................................................................................32.2电机的选择可以有两种方案...........................................................................................32.3电机驱动选择方案..........................................

4、.................................................................42.4语音部分方案的选择与论证...........................................................................................4———————————————————————————————————————————————2.5单片机选择方案.....................................

5、..........................................................................52.6LCD显示选择方案............................................................................................................52.7按键的选择方案.............................................................

6、..................................................63系统硬件设计.............................................................................................................................73.1STC89C52单片机及相关电路................................................................

7、..........................73.1.1STC89C52单片机概述............................................................................................73.1.2晶振电路................................................................................................................93.1.3复位

8、电路..............................................................................................................103.2电机驱动模—————————