密码锁，这是一个六位的密码锁，双性密码锁，当你按下“change”是可以方便修改密码-code lock,it is a 6 numbers code lock. it is can double the males and when you change the code then enter "change"

在basys2板子上实现密码锁，实现设置，开锁，数码管显示的功能-It is a design of coded lock on Basys2 board.It can be set,unlocked and marked by digital tube.