Rfid Based Door Lock System Using Arduino Uno

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. When we see sophisticated door management system s the price tag struck immediately along with the utility of course. 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.

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The components you are going to require for rfid and keypad based door lock and alert system using arduino are as follows.

Rfid based door lock system using arduino uno.

Intermediate protip 2 hours 25 722 things used in this project. Interfacing of rfid with arduino can be done by the following steps. 5v 2a power adapter. This rfid door lock can be made easily at your home and you can install it in any door.

Arduino uno or any other arduino. Arduino uno rfid based automatic door lock system using an arduino. But here a 12v rfid reader is used for an. 4x4 keypad or 4x3 keypad.

So we are going to use the hardware spi pins of the arduino uno. In countries like india such automatic systems are not cheap by any yardstick. 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. This project guide will detail the steps to create an rfid radio frequency identification door lock system using an arduino mega 2560.

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. The necessity of power supply for rfid readers varies from one product to another. The rfid reader module uses the spi interface in order to communicate with arduino. 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.

Rfid door lock with arduino. Irq pin stays unconnected. 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. If the wrong tag is scanned the door will stay closed and set off a buzzer.

You have seen rfid door lock mechanism in some hotels and other places where you don t need a key to unlock the room. Arduino rfid door lock hardware project setup. There are many rfid readers are available in the market with 5v 9v and 12v. Rst pin goes to digital pin 9.

The goal is to open a door by using a specific tag that functions as an access badge.

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