For schematic and source code visit this link.
Secret knock detecting door lock.
I saw his video on koreus and thought about doing the same thing for my final project in college.
Great arduino project how to make secret knock door lock.
November 02 2009 electronics problem solving software.
Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock.
I added some functions to the program.
The instructable is complete.
Programming electronics academy 15 942 views.
Easy secret knock detector to trigger anything with only an arduino and a few cheap components duration.
Secret knock detecting door lock.
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.
This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks.
Unlock your door with a secret knock.
Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock.
Secret knock detecting door lock.
This project was inspired from grathio.
It works very well.