The idea is pretty simple knock in a certain pattern and the door unlocks.
Knock detecting door lock.
For schematic and source code visit this link.
There are many types of security systems available to secure our place.
Smart knock detecting door lock project using arduino uno.
If the sequence isn t recognized the system resets and listens for knocks again.
Steve shows us his version of the knock detecting lock system.
Tools supplies and skills.
Security is a major concern in our day to day life and digital locks have become an important part of these security systems.
This project will take several hours to complete.
Unlock your door with a secret knock.
We ve seen itbefore several times.
Press the programming button and knock a new knock and it will now only open with your new knock.
Maybe what you need to guard the door to your high tech lair is a secret knock detecting door lock.
By default the knock is shave and a haircut but you can program it with anything up to 20 knocks long.
It s completely mobile and can be suction cupped to any dead bolt.
Hi all i ve done a bunch of modifications to steve hoefer s code for his secret knock detecting door lock.
Lay out and test the.
Secret knock detecting door lock here s a fantastic project using an arduino a motor and a piezo sensor which allows you to both record and detect knocking patterns to unlock a door รข the video below does a fantastic job of demonstrating how it works.
By saddam jul 21 2017 10.
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.
Great arduino project how to make secret knock door lock.
A microphone okay really a speaker presses against the door and listens for knocks.
Secret knock detecting door lock step 1.
If it hears the right number of knocks in the right cadence it triggers the motor to turn the deadbolt and unlock the door.
Using an arduino and a bunch of parts found around the lab steve hoefer built a device that unlocks your door when it receives a certain knock pattern.