Door Lock

Introducing our innovative Arduino-based security system designed for enhanced access control. This project features a password-protected servo motor, perfect for applications such as secure storage boxes or restricted entry systems. Utilizing a keypad and an LCD screen, users can input and view a four-digit password directly on the display. When the correct password, '1234',is entered, the servo motor activates, unlocking the mechanism. Conversely, pressing the '*' key resets the servo motor to its initial position, locking it securely.

This project seamlessly integrates the simplicity of Arduino with the reliability of a servo motor to create a responsive and precise locking mechanism. The LCD screen provides real-time feedback by displaying the entered digits, enhancing user interaction and confirming input accuracy. This design not only boosts security but also ensures an intuitive and user-friendly experience.

Ideal for DIY enthusiasts and educational purposes, this project demonstrates the practical application of microcontrollers in developing secure access systems. Whether for home security, personal safes, or educational showcases, this Arduino project exemplifies the potential of technology in everyday use. With straightforward components and a compact design, it's a valuable addition to any Arduino project collection.

LCD screen x1

4x4 keyboard x1

servo motor x1

This is the code. I used Arduino Leonardo.

This is how the project will be wired.

This is the finished project, it will work like the video below.