Secret Knock Detecting Door Lock Report

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.

Secret knock detecting door lock report.

The leds shown in figure 9 1 serve as indicators of your lock s status. Need to report the video. If a piezo speaker hears the right number of. If the precision is turned all the.

Secret knock detecting door lock using arduino duration. 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. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks.

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. Security is a major concern in our day to day life and digital locks have become an important part of these security systems. There are many types of security systems available to secure our place. Smart knock detecting door lock project using arduino uno.

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. If the sequence isn t recognized the system resets and listens for knocks again. Unlock the door with a 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. In the old movies a little sliding door would. 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. Hi all i ve done a bunch of modifications to steve hoefer s code for his secret knock detecting door lock.

In this project i used an arduino uno a piezo speaker and a servo motor. Sign in to report inappropriate content.