Leaving a spare key under the doormat or on top of a doorframe is never a good idea. A dedicated lock box for your spare keys allows you to provide entry to others when you’re not around—like dog ...

[John Boxall] of Little Bird Electronics was thinking about combination locks, and how one might improve or at least change the way these locks work. Traditional combo locks can be implemented in a ...

The SwitchBot Lock Ultra costs $140. An adapter kit may be needed for some locks (such as mine) that costs an additional $20.

We may receive a commission on purchases made from links. Having a place to hide spare keys is important for many people.

Laser-cut plywood boxes are cool. Don’t believe me? Take a look at the free projects out there for people to get started with when they get a laser cutter – it’s obviously a popular genre of project.