There's the button that unlocks the car's doors and the one that pops the trunk. And then, on some BMWs, the key fob has a ...

The Eufy FamiLock S3 Max uses palm vein recognition and features a built-in screen to show you who’s at the door.

For this, [MakerMan] added a button and LED ... a web server that will unlock the door with a few clicks on a web page. Sure, it’s probably not the most secure lock on the planet, and the ...

The behind-the-scenes mechanism that locks and unlocks your vehicle’s doors with the push of a button is the power ... ll send electrical current to unlock the doors. Each door has its own ...