The Secret Knock Detecting Door Lock

Secret knock detecting door lock. Programming electronics academy 15 942 views 12 57. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks.

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

The secret knock detecting door lock.

Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock. If a piezo speaker hears the right number of. If the precision is turned all the way up it can even detect people apart. In this project i used an arduino uno a piezo speaker and a servo motor.

Programming electronics academy 15 490 views 12 57. If the precision is turned all the. The instructable is complete. If you want more instructions than are listed here go here and read all of the steps see all the photos and enjoy.

November 02 2009 electronics problem solving software. Secret knock detecting door lock. Programming electronics academy 15 491 views 12 57. 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. 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. Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration.

Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Unlock the door with a secret knock.

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