Door_Locking_System

Schematic capture by Proteus

Program states

• State 1 : Running the system for the first time

  • Creating new password for the system

    

    

  • Write the password by the keypad then Hit the ON button to go forward

  • Reenter the password

  • If the password is matched, it will be saved in the EEPROM

  • If the password doesn't match, State 1 will be repeated

• State 2 : Main Options

  • Change Password or Open Door

    

• State 3 : Change Password

  • Enter the password
  • If the entered password is matched with the one saved in EEPROM, State 1 will be in action
  • If not matched , State 3 will be repeated
  • In case entering a wrong password 5 times then State 5 will be in action .

• State 4 : Open Door

  • Enter the password
  • If the entered password is matched with the one saved in EEPROM : Motor will be rotated Clockwise for 15 seconds ( Door is opening ) then Anti-Clockwise ( Door is closing ) for the same amount of time
  • In case entering a wrong password 5 times then State 5 will be in action .

• State 5 : Password mismatch

  • Lock the system for 1.5 minutes