This project implements a password-protected electronic door lock system using an Arduino microcontroller. A 4×4 matrix keypad is used to enter the password, while a 16×2 I2C LCD provides system ...

For some reason the arduino ide2 does not allow manipulation of the text on the serial monitor so I used the vscode extension of microsoft serial monitor in the case of deleting already input text.

Arduino-based Password/Security System (Digital Door Lock). Components: Arduino Simulino UNO: main controller 4x3 Keypad (D6, D7, D8, D9): for password input LCD 16x2 I2C (A4=SDA, A5=SCL): to display ...

For my first-year final project, I made a CandyLock Dispenser. CandyLock is an Arduino-based candy dispenser that only unlocks when the correct password is entered through a keypad. Once access is ...