Project Description A secure door lock system using Arduino Uno, RFID (MFRC522), and a 4x4 Matrix Keypad. Authorized users can unlock the door with either an RFID tag or a PIN code. Features 🔒 Dual ...

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 ...

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 ...

Abstract: The Internet of thing devices are interconnected physical objects that collect and share data over the internet. IoT has the potential to revolutionize many industries, including security.

This is a simple password based door locking system circuit designed using 8051 microcontroller. It provides control to the actuating the load. It is a simple embedded system with input from the ...

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We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...