(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

This project is a password-based door lock system implemented using Arduino Uno microcontroller. The system utilizes a 4x3 keypad, a 10k potentiometer, a 16x2 i2c LCD display, a servo motor, a 5V ...

Repository files navigation Arduino Password Validator Overview This project is an Arduino-based password validator. It uses a keypad for input, a buzzer for incorrect password alerts, and an LED to ...