Secret Knock Locking Door

With ismailsan s electronic lock the secret knock automatically unlocks the door. This project will take several hours to complete. If a piezo speaker hears the right number of.

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Secret knock detecting door lock step 1.

Secret knock locking door.

If the sequence isn t recognized the system resets and listens for knocks again. In the old movies a little sliding door would open so the doorman could check you out and let you in. Unlock the door with a secret knock. Get it as soon as fri sep 18.

In this project i used an arduino uno a piezo speaker and a servo motor. Lay out and test the. More buying choices 16 11 2 used new offers. A microphone okay really a speaker presses against the door and listens for knocks.

Agptek 60kg 130lbs holding force electric magnetic lock for door access control system electromagnet fail safe nc mode. If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door. Free shipping on your first order shipped by amazon. This section assumes that you know how to connect your arduino microcontroller to you.

4 4 out of 5 stars 166. Tools supplies and skills.

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Secret Knock Detecting Door Lock

Source : pinterest.com