电子密码锁: 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。 1．可设置密码，掉电密码能保存； 2．按键确实被按下时发出一下提示音； 3．设置新密码前需校验旧密码； -Electronic code lock: can be set from 1-8 in the password from the keyboard to type the correct password to change

单片机控制1602显示的密码锁，测试通过。含初始密码，可设置密码以及自动报警功能-SCM 1602 shows the lock, the test. With the initial password, you can set the password and automatic alarm

基于51单片机的简单密码锁，大学生课设必备资料-Based on the 51 SCM simple trick lock, the college students a lesson for material

51单片机实现密码锁，非常有趣，适合初学者进行51的上手和有趣实验。-51 SCM realizing trick lock, very interesting, is suitable for beginners to 51 of the overhand and interesting experiment