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 pattern.
Secret knock detecting door lock.
Make your own smart door lock.
Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock.
If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door.
Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock.
Programming electronics academy 15 942 views 12 57.
Unlock your door with a secret knock.
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.
If the sequence isn t recognized the system resets and listens for knocks again.
Secret knock detecting door lock.
A microphone okay really a speaker presses against the door and listens for knocks.
Easy secret knock detector to trigger anything with only an arduino and a few cheap.