Introduction - If you have any usage issues, please Google them yourself
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.