51单片机 智能密码锁 汇编语言

①　　具有密码输入功能，密码最多为6位；

②　　设置退格键，以便删除输入错误的密码；

③　　输入每位密码时数码管上只显示8；

④　　设置确认键，当确认键按下后，判断输入密码是否正确；当输入密码正确时，数码管显示PC；当输入密码不正确时，数码管显示PE；

具有密码修改功能。

-51 MCU intelligent lock assembly language ① with a password input, the password up to six　② Set backspace key to delete the wrong password is entered　③ enter each password only when displayed on the digital tube 8　④ setting confirmation key, When the Enter key is pressed, it is determined whether the password is correct　when you enter the correct password, digital display PC　when the password is incorrect, the LED display PE　with a password modification.