lock 密码锁应用MCS-51单片机设计4位七段LED动态显示电路; 2.采用动态显示方式,逐位

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应用MCS-51单片机设计4位七段LED动态显示电路; 2.采用动态显示方式,逐位轮流点亮显示器的各个位(扫描),每次点亮时间为2ms; 3. 硬件设计根据设计的任务选定合适的单片机,根据控制对象设计接口电路.设计的单元电路必须有工作原

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Packet : [学士]基于单片机的智能密码锁的设计与制作_secret1.doc filelist

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