A few months back at the Black Hat Security conference Cody Brocious demonstrated how you can easiy open an Onity hotel room lock, the standard system used in many hotel chains, with an Arduino ...

Can anyone argue against this being the least-secure hotel room lock on the market? Regular readers will recognize it as an Onity key card lock. A few months back a glaring flaw in the security was… ...

[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of ...

Build your own IoT smart door lock system using a Nano ESP32 and the Arduino Cloud, courtesy of this Gadget Master.

Bad news: With less than $50 of off-the-shelf hardware and a little bit of programming, it's possible for a hacker to gain instant, untraceable access to millions of key card-protected hotel rooms.

Arduino enthusiasts looking for a new project to complete over the weekend might be interested in this Arduino door lock which is automatically activated as soon as you enter incognito browsing ...