The Secret Knock Detecting Door Lock

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Unlock the door with a secret knock.

The secret knock detecting door lock.

If you want more instructions than are listed here go here and read all of the steps see all the photos and enjoy. Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Secret knock detecting door lock. In this post let us build a secret knock detecting door lock using arduino which can detect the pattern of your knocks at the door and will only open the lock if the knocking pattern matches with the correct.

Share this protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. If a piezo speaker hears the right number of. Secret knock detecting door lock. In this project i used an arduino uno a piezo speaker and a servo motor.

November 02 2009 electronics problem solving software. If the precision is turned all the. Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock. If the precision is turned all the way up it can even detect people apart.

The instructable is complete. Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks.

Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration. Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration.

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