In this project, we used an Arduino and a keypad to create a password-based security system. Thefts are becoming more common by the day, therefore security is becoming a serious worry. As a result, a ...

🔐 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 ...

A new DIY biometric Arduino project has been published to the Arduino blog, Instructables and Thingiverse website this month providing full instructions on how to create your very own biometric ...

This innovative project can be created using an Arduino Uno development board, which is then hooked up to your PC. The system uses a custom script that has been written and is available for download.

Once attached, the Arduino system with an Atmel built microcontroller will lock and unlock the door for the owner, just like it had done it itself.

The system auto-locks after 5 seconds, and just in case, [Andrea] has hard-coded in a few safety codes into the firmware to allow him to forcefully open the door — you know, if it malfunctions ...