这个是我毕业设计的最初方案 8位二进制密码锁，在输入密码正确的情况下修改密码，显示输入密码，正确显示绿灯提示，错误显示红灯提示并报警。-This is my graduate program was originally designed eight binary code lock in the correct password to modify your password, enter the password shows the correct green tips, error d