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 ...

Charlotte Pfahl, 68, prefers using an old-school mechanical key to access her New York City apartment. So when her landlord modernized the building and installed a smart lock in 2018, she and several ...

Maintaining a truly smart home takes more than simply connecting to a digital assistant and a voice-activated speaker. Smart locks—or smart deadbolts, more accurately—streamline your daily routine and ...

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 ...

Never get locked out again with a smart lock you can control from your phone, with your face, or with a fingerprint. Never get locked out again with a smart lock you can control from your phone, with ...

Smart locks offer app-based features for deadbolts, retrofits, levers and more: Here's how you should choose the right one. Tyler Lacoma Editor / Home Security and Smart Home Tyler has worked on, ...

Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan covers air and water filtration, as well as ...