Secret Knock Locking Door

Agptek 60kg 130lbs holding force electric magnetic lock for door access control system electromagnet fail safe nc mode. Unlock the door with a secret knock. If the sequence isn t recognized the system resets and listens for knocks again.

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This project will take several hours to complete.

Secret knock locking door.

4 4 out of 5 stars 166. In the old movies a little sliding door would open so the doorman could check you out and let you in. Secret knock detecting door lock step 1. This section assumes that you know how to connect your arduino microcontroller to you.

If a piezo speaker hears the right number of. A microphone okay really a speaker presses against the door and listens for knocks. If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door. More buying choices 16 11 2 used new offers.

Lay out and test the. Tools supplies and skills. Free shipping on your first order shipped by amazon. In this project i used an arduino uno a piezo speaker and a servo motor.

With ismailsan s electronic lock the secret knock automatically unlocks the door. Get it as soon as fri sep 18.

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Secret Knock Detecting Door Lock

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