Rfid Based Door Lock System Using Arduino Uno

In the previous post you learned about rfid and keypad based door lock and alert system using arduino in which user had to scan the right tag and enter the right password to open the door lock and the system also sends us the confirmation message. In this case we will then use a relay so we can make it work too we are using the plunger as a lock so here is the connections for it. But here a 12v rfid reader is used for an.

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Rst pin goes to digital pin 9.

Rfid based door lock system using arduino uno.

The components you are going to require for rfid and keypad based door lock and alert system using arduino are as follows. The necessity of power supply for rfid readers varies from one product to another. Irq pin stays unconnected. You have seen rfid door lock mechanism in some hotels and other places where you don t need a key to unlock the room.

The rfid reader module uses the spi interface in order to communicate with arduino. There are many rfid readers are available in the market with 5v 9v and 12v. 5v 2a power adapter. If the wrong tag is scanned the door will stay closed and set off a buzzer.

Arduino uno or any other arduino. So we decided to test a simple and cheap prototype to see if such a robust system could be developed using the tool of our choice arduino uno. 4x4 keypad or 4x3 keypad. You are given a card and you just need to put it in front of a rfid reader box and the lock gets unlocked with a beep and a blink of led.

Rfid door lock with arduino. So we are going to use the hardware spi pins of the arduino uno. This rfid door lock can be made easily at your home and you can install it in any door. When we see sophisticated door management system s the price tag struck immediately along with the utility of course.

This project guide will detail the steps to create an rfid radio frequency identification door lock system using an arduino mega 2560. Rfid and keypad based door lock using arduino to open the door the user will have to first scan the right tag and then he will have to enter the correct password. Interfacing of rfid with arduino can be done by the following steps. Intermediate protip 2 hours 25 722 things used in this project.

The goal is to open a door by using a specific tag that functions as an access badge. Arduino rfid door lock hardware project setup. As we are using a plunger it requires 9 volts to work and as we all know an arduino uno only has max 5 volts. In countries like india such automatic systems are not cheap by any yardstick.

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