Posts from this topic will be added to your daily email digest and your homepage feed. The $99 SwitchBot Lock is the first smart door lock I’ve tested that doesn’t replace any part of your existing ...

Compared with standard locks, keyless locks are more convenient and secure. There are no physical keys to lose or would be thieves to copy. Nor is there an open keyway to pick from the outside. These ...

[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 ...

When employing electromagnetic locks, doors generally do not have a door-mounted manual latch release. Because of the absence of a manual latch release, the NFPA has established The Life Safety Code 7 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jon Chase Jon Chase is an editor of smart-home coverage. For Wirecutter, he ...

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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In recent years, concerns about school safety have intensified, prompting educators and administrators to seek effective ways to protect students and staff from a variety of threats. From active ...

The house key is one of those things you often search for when your hands are full. Smart locks promise relief here and aim ...

Type of Lock: The most common locks used in a controlled egress system are electromagnetic locks or delayed egress devices that have been modified to have an “infinite delay” instead of the typical 15 ...

Finding and installing the right keyless door lock depends on whether you already have smart home security, your Wi-Fi ...