In this circuit we have used buzzer or peizo sensor to take knock input.
Smart knock detecting door lock.
Security is a major concern in our day to day life and digital locks have become an important part of these security systems.
Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock.
There are many types of security systems available to secure our place.
Secret knock detecting door lock step 1.
This project will take several hours to complete.
Smart knock detecting door lock project using arduino uno.
Unlock the door with a secret knock.
The circuit diagram of this knocking pattern detector is very simple which contains arduino for.
If a piezo speaker hears the right number of.
Lay out and test the.
Tools supplies and skills.
This section assumes that you know how to connect your arduino microcontroller to you.