A fail-safe magnetic lock hooked up to an Arduino, along with a kill switch served as solution instead. Since his main target is an escape room, using an Arduino allows also for a whole lot more ...

Unlocking a lock without a key sounds impossible, but with just a magnet, it becomes a reality! Watch as this amazing ...

These include a louder 75 dB voice annunciation, packaging the lock with a 90 dB remote sounder, and adding the option for a ...