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.

By using open-source Arduino tools, security researchers are exposing security gaps in door-lock systems used by millions of hotels.

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.

Mike created a very cool old school door lock that will bolt your door as soon as you open the incognito window. To create the incognito lock, mike connected his PC to an Arduino Uno connected to ...

He has fashioned an Arduino-powered door bolt that locks itself whenever you open an incognito browser window. Always nice when a computer gives you a helping hand.