Secret Knock Locking Door

This project will take several hours to complete. More buying choices 16 11 2 used new offers. A microphone okay really a speaker presses against the door and listens for knocks.

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If the sequence isn t recognized the system resets and listens for knocks again.

Secret knock locking door.

Tools supplies and skills. Free shipping on your first order shipped by amazon. This section assumes that you know how to connect your arduino microcontroller to you. In the old movies a little sliding door would open so the doorman could check you out and let you in.

Agptek 60kg 130lbs holding force electric magnetic lock for door access control system electromagnet fail safe nc mode. Lay out and test the. 4 4 out of 5 stars 166. In this project i used an arduino uno a piezo speaker and a servo motor.

Unlock the door with a secret knock. If a piezo speaker hears the right number of. If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door. Get it as soon as fri sep 18.

With ismailsan s electronic lock the secret knock automatically unlocks the door. Secret knock detecting door lock step 1.

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Secret Knock Detecting Door Lock

Source : pinterest.com