Secret Knock Locking Door

If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door. Lay out and test the. In the old movies a little sliding door would open so the doorman could check you out and let you in.

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Secret knock locking door.

4 4 out of 5 stars 166. Secret knock detecting door lock step 1. Agptek 60kg 130lbs holding force electric magnetic lock for door access control system electromagnet fail safe nc mode. This project will take several hours to complete.

Unlock the door with a secret knock. Free shipping on your first order shipped by amazon. This section assumes that you know how to connect your arduino microcontroller to you. With ismailsan s electronic lock the secret knock automatically unlocks the door.

A microphone okay really a speaker presses against the door and listens for knocks. If a piezo speaker hears the right number of. If the sequence isn t recognized the system resets and listens for knocks again. Get it as soon as fri sep 18.

Tools supplies and skills. In this project i used an arduino uno a piezo speaker and a servo motor.

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Secret Knock Detecting Door Lock

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