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 ...

You don’t need to continue using keys and key cards. When you want effective first-line security for private doors in public spaces, you no longer need cumbersome kit. To keep opportunist hands off ...

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. At least one of your employees is bound to lose their ...

Building a solid home security system requires multiple products working in tandem, though not all upgrades need to fall into the high-tech category. For example ...

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 ...

Like many open-world games, Tower of Fantasy also brings with it interesting challenges and puzzles to solve for great rewards. One of these challenges is Locked doors with electronic keypads. These ...

We tested highly rated smart locks that feature connectivity, changeable codes, and fingerprint readers. Find out which ones ...

“Why you can trust Digital Trends – We have a 20-year history of testing, reviewing, and rating products, services and apps to help you make a sound buying decision. Find out more about how we test ...

These top-rated locks from August, Eufy, Kwikset, and Yale are excellent at resisting picking, drilling, and kick-ins. But there are some models to avoid. Consumer Reports uses a cordless drill in ...

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 ...

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 ...