We may receive a commission on purchases made from links. Many front doors have two locking mechanisms — a deadbolt and a knob or level. There are now many smart deadbolts that allow you to use ...

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 ...

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 ...

If you're looking for an affordable and easy way to make your front door smart, the SwitchBot Lock Pro might be just the solution. The SwitchBot Lock Pro is the upgraded version of the original Lock, ...

You might not think of door locks when you hear the name Eufy: The company is most well-known for its robotic vacuums, though it makes a growing array of smart home gear. But its new Eufy Smart Lock ...

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 ...

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 ...

One household item which can greatly improve your everyday living is the digital door lock. In recent years, demand for this smart home product has quickly grown. Aside from security and convenience, ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 7 minutes ...