For schematic and source code visit this link.
Secret knock detecting door lock.
Programming electronics academy 15 942 views.
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.
The instructable is complete.
Unlock your door with a secret knock.
Secret knock detecting door lock.
It works very well.
This project was inspired from grathio.
I saw his video on koreus and thought about doing the same thing for my final project in college.
Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock.
Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock.
Great arduino project how to make secret knock door lock.
If you want more instructions than are listed here go here and read all of the steps see all the photos and enjoy.
November 02 2009 electronics problem solving software.
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.
I added some functions to the program.