Download the library for keypad h from below.
Password based door locking system using arduino uno.
It will open your door only when the right password is entered.
As thefts are increasing day by day security is becoming a major concern nowadays.
Password based door lock system using arduino uno is a simple project where a secure password will act as a door unlocking system.
The code for password based door lock security system using arduino keypad is given below.
In this project we will learn how to make password based door lock security system using arduino keypad.
Old fashioned lock systems use mechanical locking and these can be replaced by new advanced techniques of locking systems.
A 4 4 or 4 3 keypad can be used to enter the desired password.
The password based door lock system allows only authorized persons to access the restricted areas.
The simply compile it then finally upload it to the atmega328 microcontroller.
About the 4 4 keypad.
Password based door lock system using arduino simulino uno schematic diagram read smart phone controlled home automation using arduino the key pad library for the arduino uno available in this link keypad this library is setup to do every function for the keypad.