College students have returned in droves to dorms and apartments at campuses everywhere. So this is the time of year we usually start seeing some coded entry hacks. [Charmonkey] recently took on the ...

Amazing Door Lock! diy Making Secret Door Lock with Nut Bolt I Coded Door Lock Man arrested after spraying Ilhan Omar with substance at Minneapolis town hall Enormous freshwater reservoir discovered ...

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 ...

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Putting a custom designed electronic lock on your space seems like a geek right of passage. For our latest workspace, we decided to skip the boring numbered keypad and build a custom RGB backlit ...

Many crimes involve intruders coming through a home’s front door. That’s why you need a good deadbolt. Not ready to buy? You can probably make your current door lock more secure with a simple tweak.

Would you be surprised to learn that the first mechanical lock and key were invented about the same time as the first message encoding keys? Mechanical security keys, for doors, gates, living spaces, ...