The code for password based door lock security system using arduino keypad is given below.
Password door lock using arduino.
In this project i mede an door lock or box lock that opens when you enter your password and press.
The simply compile it then finally upload it to the atmega328 microcontroller.
No one can able to see where the lock from outside the door.
We used analog pins since we need more that 14 digitals pins for this project.
You can simply copy paste the code using arduino ide.
When you enter the correct 4 digit password the door is opened for 5 seconds.
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I add sign with command for that i will separate command and password by using this.
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If you are using arduino mega then there is no need to use analog.
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When password is given to password box and open button is clicked than app joint the open command with the password and sent it to arduino.
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Use change password when ever they want.
For connecting the keypad with the arduino we are using both analog and digital pins.
Arduino uno pro mini or custom board using.
Password door lock security system using arduino and keypad in this tutorial you will learn how to make the most efficient password protected door lock security system using arduino and a keypad.
So a digital code lock can secure your home or locker easily.
First of all we will make the connection to the 4 4 keypad.
As thefts are increasing day by day security is becoming a major concern nowadays.
High quality only 24 hours build time.
In this project we will learn how to make password based door lock security system using arduino keypad.
The aim is to control a door lock without keys but using a smart phone instead.
In the app i used two buttons one for open the door and another for closing the door.