Using a Raspberry Pi and a touch screen, the system generates a new passcode every day and when someone wants access to the network, they just need to scan a QR code.

The Raspberry Pi door lock is equipped with three factor authentication including NFC fob, touchscreen PIN entry all in one system ...

Working with a Raspberry Pi 3 Model B and a cheap camera, [Campbell] whipped up some code to handle producing and reading the QR codes — though he’s running the media server on another ...

Explore how the Raspberry Pi 4 transforms security, offering a reliable, low-cost solution for enhancing building security and managing access points in multi-dwelling communities.

9:48 am February 20, 2018 By Julian Horsey Chris Campbell has created a fantastic Raspberry Pi jukebox which uses QR codes to enable his younger family members to select and play music quickly.

[DarkTherapy] wrote in to tell us about his garage door opener that works with Siri and a Raspberry Pi. It’s pretty hard to find a picture that tells the story of the hack, but here you can s… ...

So technically, this is an automated system whose purpose is to recognize your car whenever you arrive home and open the door of the garage for more convenient access.