This project demonstrates how to create a digital safe lock system using an Arduino, a 4x4 keypad, and a 16x2 LCD display. The system prompts the user to enter a numerical passcode via the keypad, ...

Often times, we need to secure a room at our home or office (perhaps a secret dexter’s laboratory) so that no one can access the room without our permission and ensure protection against theft or loss ...

When we supply the system with power, first of all we can see the programmed writings on the LCD screen then we need to enter the password thanks to keypad. By the way we used relay module to set up a ...

It consists of 16 buttons arranged in a 4x4 grid and is covered with a flexible membrane that protects the buttons and ensures their durability. In this blog, we'll go over how to interface a 4x4 ...

I've built my own Arduino-based keypad lock system with a cool LCD display. 🤖💡 Key Components Used: - Arduino Uno - 4x4 Matrix Keypad - 16x2 LCD Display - Red and Green LEDs - Buzzer ...

Electronic and Arduino enthusiasts searching ... The DIY biometric lock is also equipped with three push buttons and a 16×2 LCD display. “This is a security door lock with fingerprint sensor.

The project ‘SafeHaven Shield,’ is an Arduino-driven home security system seamlessly integrating RFID and PIR sensors with a keypad lock. This advanced system ... verification and status display using ...