Secret Knock Detecting Door Lock Report

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.

Secret knock detecting door lock report.

If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door. Circuit digest 18 794 views. Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock. In this project i used an arduino uno a piezo speaker and a servo motor.

Hi all i ve done a bunch of modifications to steve hoefer s code for his secret knock detecting door lock. The red led lights when the knocks are incorrect and the servo arm has not moved that is the box or door is still locked. In the old movies a little sliding door would. Smart knock detecting door lock project using arduino uno.

Sign in to report inappropriate content. Watch any movie about the years of prohibition and you ll probably see character gain admittance to a speakeasy by using a secret knock on the door. Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Secret knock detecting door lock using arduino duration.

If a piezo speaker hears the right number of. When the correct sequence and strength of knock are regis tered the servo arm swings 90 degrees to unlock whatever it is set up with. If the sequence isn t recognized the system resets and listens for knocks again. The leds shown in figure 9 1 serve as indicators of your lock s status.

Arduino microcontroller up top and peeking out at the left is the button to program new knocks. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks. Unlock the door with a secret knock. There are many types of security systems available to secure our place.

If the precision is turned all the. This is the changes that i ve made added a hall effect sensor to determine if the door is open or closed swapped the gear motor with a servo added a serial lcd feedback screen added a yellow led added a bunch of extra features.