The Password Lock Safe Box is an embedded systems project designed to provide secure access control using an Arduino microcontroller. The system allows users to unlock a safe box by entering a correct password through a keypad. It enhances security by restricting access only to authorized users .This project uses an Arduino board as the main controller, connected to a keypad for password input and a servo motor to lock and unlock the safe box. An LCD display shows system messages such as password entry status, access granted, or access denied.
When the correct password is entered:
The servo motor rotates to unlock the box.
The LCD displays “Access Granted”.
If the wrong password is entered:
The system displays “Access Denied”.
After multiple wrong attempts, the system can trigger a buzzer alarm for extra security.