1、设计一个密码锁的控制电路，当输入正确代码时，输出开锁信号以推动执行机构工作，用红灯亮、绿灯熄灭表示关锁，用绿灯亮、红灯熄灭表示开锁； 2、在锁的控制电路中储存一个可以修改的4位二进制代码，当开锁按钮开关的输入代码等于储存代码时，开锁； 3,从第一个按钮触动后的30秒内若未将锁打开，则电路长报警30S，若输入密码错误1或2次，则每次短报警5S，若输错三次密码则长报警。

Packet : EDA课程设计报告.doc filelist

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