Digital Door Lock System Using Arduino

Download the library for keypad h from below.

Digital door lock system using arduino.

In this project we will make a digital door lock system with keypad using arduino uno. Connect pin 3 v0 to the middle pin of the 10kω potentiometer and connect the other two ends of the potentiometer to vcc and gnd. Connect pin 1 vee to the ground. Digital code lock or digital combination lock are a type of digital locks where a combination of digits characters or both are used for unlocking the lock.

Hello dear friends in this project i have tried to explain how to built a door lock security system with an arduino and keypad. Well i have used 4x4 keypad for this project but you can use different models but do not forget to change some parts in the code. Digital door lock using arduino. One such digital code lock is imitated in this project using arduino board and a matrix keypad.

The code for password based door lock security system using arduino keypad is given below. The arduino board is connected to an lcd and a servo motor. The aim is to control a door lock without keys but using a smart phone instead. Connect pin 2 vdd or vcc to the 5v of the arduino.

After you learned that procejt you can use that for your own room door or your wardrobe drawer even you can make combination safe. The complete circuit diagram for our arduino based digital keypad door lock project is shown below. It will open your door only when the right password is entered and it will start beeping when a wrong password is entered. This article is about a simple digital code lock using arduino.

Connect pin 4 rs to the pin 9 of the. Smart bt door lock simple arduino project showcase by arun. By saddam oct 19 2015 34 digital code lock using arduino security is a major concern in our day to day life and digital locks have became an important part of these security systems. Here the code consists of a combination of digits from 1 to 6.

The servo motor is used to push lock or pull unlock the latch on the door. This idea helps in the security of the locker s in the bank list of the components required for the project. There are separate keys for locking and unlocking the system. Digital door lock using arduino as thefts are increasing day by day security is becoming a major concern nowadays.

The simply compile it then finally upload it to the atmega328 microcontroller. You can simply copy paste the code using arduino ide.