Principles and Applications curriculum design topics: Electronic locks the basic functions: You can set 1-8 password, type the correct password is available the keyboard to change the password or unlock. Enter the wrong password three times the circuit is constantly alert. Unlock signal output is represented by a light emitting diode

单片机原理及应用课程设计报告 课题：电子密码锁 基本功能：可设定从1位到8位的密码，从键盘键入正确密码才可更改密码或开锁。输入三次错误密码电路就不断报警。开锁信号输出口用发光二极管表示\dpj.doc
单片机原理及应用课程设计报告 课题：电子密码锁 基本功能：可设定从1位到8位的密码，从键盘键入正确密码才可更改密码或开锁。输入三次错误密码电路就不断报警。开锁信号输出口用发光二极管表示

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