He’s constructed an Arduino keypad door lock — without using ... setup is held up rather artistically using good old duct tape. The system auto-locks after 5 seconds, and just in case ...

This is a hotel room door swinging open. The device he holds in his hand is an Arduino connected to the OUTSIDE portion of the door lock ... used to open a variety of different doors through the ...

Unlike a Raspberry Pi, you won't find anything resembling an operating system ... Piezo sensor on a door, it can notify you when someone knocks or tries to kick in the door. Linking the Arduino ...