Secret Knock Detecting Door Lock Using Arduino Pdf

With the arduino powered on you should see the text program start tap the piezo speaker and you should see the text knock starting and knock each time you tap it.

Secret knock detecting door lock using arduino pdf.

If the precision is turned all the way up it can even detect people apart even. So far we ve been using a piezo buzzer only to make noise but we can also use it as a sensor to detect sounds in this case knocks. Abstractthe project idea was to build a knock detecting in building knock detecting door lock we useddoor lock which can identify the specific knocking micro controllers pattern detecting algorithms pattern and unlock the door if the pattern is touch sensor circuit and password detect system correct. Demonstration video for arduino based knock pattern detecting smart door lock.

Arduino secret door knock unlocker duration. Secret knock detecting door lock using arduino duration. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks. When a piezo is struck it rings like a bell but instead of producing sound it outputs voltage which generates a number depending on the force.

A box or door when you provide the correct secret knock. Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Secret knock detecting door lock. Stop for a second or two and you ll probably see secret knock failed or door unlocked.

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. Jacob clarke 14 488 views. Circuit digest 18 794 views.

For the complete project with circuit diagram and code visit. 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. Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock.