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 ...

I’ve been working with computers for ages, starting with a multi-year stint in purchasing for a major IBM reseller in New York City before eventually landing at PCMag (back when it was still in print ...

We tested highly rated smart locks that feature connectivity, changeable codes, and fingerprint readers. Find out which ones scored the highest on our tests.

This Aqara smart lock knows when you've arrived at your door and unlocks itself using UWB technology. This is the future of ...

Internet-connected doorbells and smart door locks have been readily available for a while now. While the two products are distinctly different, they also loosely file under the same category in that ...

The world’s first smart lock/camera combo works as intended, but it’s not the most attractive product to put on your front door. As various smart home components become more and more generic, ...

Why bother with a bunch of pesky accessories when you can have a single device do all of the heavy lifting? That's the idea behind Gate Labs' Gate smart lock. As a Wi-Fi deadbolt with a built-in ...

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 ...

This is a simple password based door locking system circuit designed using 8051 microcontroller. It provides control to the actuating the load. It is a simple embedded system with input from the ...