🔐 Arduino Keypad Door Lock System A simple and effective security system using Arduino Uno, a 4x4 matrix keypad, and a relay-controlled electric lock. This project allows you to unlock a door using a ...

This is a simple Arduino-based door lock system using a keypad and an I2C LCD. The system supports a 10-digit master password for administrative access and a 4-digit user password for normal door ...

Smart entry locks are the biggest improvement to home security since the lock-and-key system was invented more than a thousand years ago. In many cases, smart locks dispense with physical keys ...

What is Lock Code? What does Lock Code mean? We explain in this detailed glossary defintion for Lock Code.

Stop using the same login credentials everywhere. The best password managers we've tested create a unique and strong password for each of your online accounts and alert you to potential data leaks.

Everyone should use a password manager, and after researching dozens and testing six, we recommend 1Password because it’s secure and easy to use.

A good smart lock should offer a combination of security, aesthetics, and convenience. We share our favorite smart locks for 2025 and what we love about them.

Arduino has created a Renesas RA4M1 microcontroller board in its Nano form-factor. Called Nano R4, it follows the Uno R4, the first Arduino to use the RA4M1. “Whether you’re working on a connected ...

Colleges To Be Rated By New AI-Based System, Says Rating Agency NAAC The updated model will offer two levels of assessment - a basic accreditation and a more advanced, maturity-based graded system.

A new unlock system on select Cricket devices has the unfortunate side effect of blocking Developer Options.

Forget keys! The best smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when.

A Manchester-based door hardware specialist has been acquired by Allegion plc, a global security products group.