Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat in the ...

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Padlocks are portable locking devices that we all learned about as kids to secure our school lockers, bikes, and other valuables. They come in an infinite number of configurations and are controlled ...

Finding and installing the right keyless door lock depends on whether you already have smart home security, your Wi-Fi ...

Those combination locks you pick up for a few bucks at the office supply store have never been the epitome of security — but in recent weeks, they’ve taken a beating. A few weeks ago, Samy Kamkar — ...

Careful what you leave in your lockers, high school students and gym-goers. An invasion of 3-D printed robots may be coming, capable of popping one of the world's most ubiquitous brands of combination ...

The tall black rectangle looked sleek (if huge) in person with a pocket-style grip and a rather sizable display on the ...