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 ...

[Jeremy Blum] wrote in to share his LibeTech QR Code Door Lock project. He developed it during his Senior year at Cornell University along with three of his classmates. It seeks to move away from ...

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Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy, but as much as we’d like to, we can’t try everything. Which is why we have People’s Choice, in ...

Smart door locks can save you time searching all over for your keys or even making sure everyone has one. Often starting with an electronic keypad lock as its base, this type of lock can offer a range ...

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 ...

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If you want an added level of security for your apartment or dorm, or travel frequently and stay in hotels and Airbnbs, a portable door lock is a worthwhile investment. These ingenious temporary locks ...

The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. We can use it to lock the doors and for other security purposes. This article ...

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Many of the deadbolt locks tested by Consumer Reports lack the level of protection you might want or expect. In our labs, a few well-placed kicks or a couple of minutes under assault from a cordless ...