Keypad Door Lock System Using Arduino

In this project we will learn how to make password based door lock security system using arduino keypad.

Keypad door lock system using arduino.

This is a simple arduino project. So a digital code lock can secure your home or locker easily. The complete arduino door lock code can be found at the bottom of this page. In this project we are going to make a keyless door lock system which uses a 4x4 keypad to enter the keys and a dc lock to open or close the door.

It was an interesting project which required beginner s level skill in programming and very easy to connect circuit. In this video you can learn how to make a simple password based door lock system using arduino servo motor and 3 4 matrix. We used analog pins since we need more that 14 digitals pins for this project. Just thought of making a password based door lock system in which you can enter the password via the keypad.

Hi and welcome to this tutorial yep it s old but classic today i m making a door lock project based on a arduino board keypad lcd i c screen and i ll use for the lock a solenoid and a relay you can check my tutorial about the finger print door lock where i used a lock that uses a dc motor so it depends on your lock system you ll have to chose a wiring codes and adapt them. First of all we will make the connection to the 4 4 keypad. Digital door lock using arduino circuit diagram. You can simply copy paste the code using arduino ide.

You can directly upload the code but it is recommended to read the below paragraphs to understand how the code works. Open your door with a special knock using arduino android phone and 1sheeld. It will open your door only when the right password is entered. Arduino code for digital keypad door lock.

The code for password based door lock security system using arduino keypad is given below. When you enter the correct 4 digit password the door is opened for 5 seconds. The simply compile it then finally upload it to the atmega328 microcontroller. If you are using arduino mega then there is no need to use analog.

Also it is important to make sure you have added the following keypad library to your arduino ide to. A 16x2 lcd will be used for display. 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. For connecting the keypad with the arduino we are using both analog and digital pins.

The components required for this project are as follows. As thefts are increasing day by day security is becoming a major concern nowadays. Rfid and keypad based door lock using arduino.