The Secret Knock Detecting Door Lock

If a piezo speaker hears the right number of.

The secret knock detecting door lock.

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. If the precision is turned all the way up it can even detect people apart. Programming electronics academy 15 942 views 12 57.

Unlock the door with a secret knock. November 02 2009 electronics problem solving software. Share this 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.

This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks. Programming electronics academy 15 491 views 12 57. If you want more instructions than are listed here go here and read all of the steps see all the photos and enjoy. Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock.

The instructable is complete. In this project i used an arduino uno a piezo speaker and a servo motor. Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Secret knock detecting door lock.

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.