Many digital door lock systems feature a keypad or touchscreen interface that allows users to enter a PIN code or password to unlock the door. Some models may also include a physical key override.

Abstract: The main objective of this paper is to design and implement a remote sensing based home automation system using Arduino Uno Kit as a main controller for this scheme. The proposed system has ...

Through this project ... with Arduino? Explore how to interface the MQ2 gas sensor with Arduino to detect gases like LPG, smoke, and methane, and trigger alerts using LEDs and buzzers for safety ...

Abstract: Radio Frequency Identification (RFID) door lock systems are at the forefront of modern access control technology, combining security, convenience, and scalability. This paper presents a ...

Witness the precision and speed of modern carpentry as large frame doors are expertly built using the fastest woodworking machines available. This project ... a perfect door frame, ensuring ...