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To open a door fitted with the latest U.S. government-certified lock from high-end Swiss lock manufacturer Kaba, an employee must both enter a code up to eight digits long, then swipe a unique ...

Yale’s latest electronic lock won’t connect to your other smart home gear or to your smartphone, but it’s easy to install and manage. It covers the basics in style. Yale’s parade of high-tech locks ...

If you’ve ever struggled to pull out your key from the bottom of your handbag while juggling groceries and kids, worried about how the pet sitter is going to get in while you’re on vacation or rushed ...

College students have returned in droves to dorms and apartments at campuses everywhere. So this is the time of year we usually start seeing some coded entry hacks. [Charmonkey] recently took on the ...

Here is the circuit diagram of Electronic code lock system using 8051 microcontroller. It is very useful at residential places to ensure better safety. This system demonstrates a circuit named ...