A fail-safe magnetic lock hooked up to an Arduino ... allows also for a whole lot more variety of integrating the secret door into its puzzles, as well as ways to actually unlock it.

The DS-K4H250S Single-door magnetic lock is designed for wooden door, glass door, and stee... Hikvision DS-K4T108-U1 Value Series Bolt Electric Lock Bracket U-bracket of Electric Bolt, for Using with ...

The DS-K4H250S Single-door magnetic lock is designed for wooden door, glass door, and steel door with the opening angle of 90°. The maximum thrust of the lock is 300kg. It can be used for controlling ...

Today’s door locks can be separated into three categories—conventional, nonconnected deadbolts; smart locks; and retrofit smart locks. Here’s what you need to know about them. These models ...

These codes facilitate ‘magic’ keys used to open a variety of different doors through the system. We’re no strangers to easy hotel beak-ins. But how can a digital lock possibly be sold with ...