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II
f基于单片机的四层电梯控制系统设计
a
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f基于单片机的四层电梯控制系统设计
目录
基于单片机的八层电梯控制系统设计I
摘要I
AbstractII
目录IV
前言6
1绪论711课题背景712电梯的发展趋势713设计目的914本设计完成的工作92总体方案设计1021硬件设计概述1022软件开发平台介绍1023主控芯片选择1124电源的选取123硬件实现及单元电路设计1331主控制模块1332电梯上下指示电路1333声音提醒电路144系统软件设计方案1641主程序流程图r