How-To Geek

Electronic Door Lock Uses QR Codes As Keys

We’ve seen magnetic cards and RFID cards used as keys before, but QR codes? Check out the video to see how a group of Cornell University students developed a visual key card.

Rather than use magnetic stripes or RFID proximity antennas, their build relies on decoding a passkey stored in a QR code–check out the above video to see it in action and hit up the link below for more information.

QR Code Door Lock [via Hack A Day]

Jason Fitzpatrick is a warranty-voiding DIYer who spends his days cracking opening cases and wrestling with code so you don't have to. If it can be modded, optimized, repurposed, or torn apart for fun he's interested (and probably already at the workbench taking it apart). You can follow him on if you'd like.

  • Published 09/18/12

Comments (2)

  1. r

    for now it’s just another wannabee standard waiting to make life a little less secure

  2. Electric Door Lock

    This is a nice post.It has a good tips here. Thank you for sharing.

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