The Secret Knock Detecting Door Lock

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

The secret knock detecting door lock.

Programming electronics academy 15 942 views 12 57. Share this protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Programming electronics academy 15 490 views 12 57. Secret knock detecting door lock.

The instructable is complete. If the precision is turned all the. Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration. If a piezo speaker hears the right number of.

November 02 2009 electronics problem solving software. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks. Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock. Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration.

Secret knock detecting door lock. Unlock the door with a secret knock. 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.

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. If the precision is turned all the way up it can even detect people apart.