A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

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.

This project implements a secure password-based door locking system using Arduino. The system allows users to enter a 4-digit password using a 4x4 keypad. If the password is correct, the door unlocks ...

[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...

Abstract: This system presents the design and implementation of a password-based door lock system integrated with LED light control for enhanced security. The proposed system allows password entry ...