[Flowolf] added an auto-locking RFID entry system to ... keeping the main acrylic sheet flat against the door. An RFID reader and Arduino run the system, with a button inside to unlock the door.

[Shawn] tapped into that system by running some wires up into ... which clicks an accompanying relay that drives the locks. You may recall [Shawn’s] RFID phone tag hack from last month ...

The system uses a custom script that has been written and is available for download. The Arduino door lock project is a fascinating blend of hardware and software. The core component is the ...

I've always been tempted by the idea of a smart door lock but have never actually taken the plunge, which might explain my recurring interest in the topic... Which is a long-winded way of saying check ...

Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can be alerted any way you like when the door opens. The system here uses a cheap Arduino board, a few sensors ...

Instead, how about a door that locks itself? That’s exactly what Mike, CEO of the Useless Duck Company, has made. He has fashioned an Arduino-powered door bolt that locks itself whenever you ...