Arduino door lock with password

Arduino door lock with password

Arduino Password-Based Door Lock System | Keypad Security Tutorial

Build a password-protected door lock system using Arduino, LCD I2C, a servo motor, and green and red LEDs in this hands-on tutorial! Learn how to program your Arduino to check password input via a keypad, control a servo motor to unlock or lock the door, and use LEDs to indicate whether access is granted or denied. A great project for enhancing home security or learning more about Arduino automation.

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What you’ll learn:

How to use an LCD I2C to display messages
Controlling a servo motor for locking/unlocking doors
Using green and red LEDs to show access status
Writing Arduino code for password protection and access control
Materials Required:

Arduino Uno
4x4 Keypad
LCD I2C module
Servo motor (for door lock mechanism)
Green and red LEDs
Jumper wires
Breadboard

Download the code and circuit diagram here:-https://drive.google.com/file/d/1FMTEfBLzOAPIMUd8JmMmyc8IQzlgh4PW/view?usp=drivesdk

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