Rfid Multiple Door Lock System Using Arduino

My problem is that when i scan my rfid tag to unlock my door it reads it multiple times usually 4 6 which causes the strike plate to unlock multiple times.

Rfid multiple door lock system using arduino. It doesn t use any power in a locked state. The circuit basically consist of arduino uno central control unit rfid receiver module rfid tag solenoid lock and few other electronics components like resistor capacitors diodes transistors etc. These tags contain electronic stored information. Em 18 rfid reader operates at 125 khz and it comes with an on chip antenna and it can be powered with 5v power supply.

Withthe use of arduino it becomes much easy to design. This project guide will detail the steps to create an rfid radio frequency identification door lock system using an arduino mega 2560. Arduino rfid door lock circuit diagram. For the most part i followed this guide from practical arduino.

In this project tutorial you will use the multiple mfrc522 to control a solenoid lock and three leds. When the power is disconnected the slug moves outside and locks the door. Rfid stands for radio frequency identification. The positive pin of the buzzer is connected to digital pin 4 of arduino and the gnd pin is connected to the ground pin of 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. Hii friends today i ll show you how to make rfid door lock system using arduino nano. The goal is to open a door by using a specific tag that functions as an access badge. The rfid module works as sensor.

If the wrong tag is scanned the door will stay closed and set off a buzzer. The first step to building a rfid door lock with a basic arduino is to bread board out a basic working arduino. In countries like india such automatic systems are not cheap by any yardstick. The rfid lock box combines arduino rfid and a solenoid to make your very own personal safe.

The mfrc522 uses radio frequence identification rfid. When we see sophisticated door management system s the price tag struck immediately along with the utility of course. Program a code and uploadit to arduino just like a plug and play device. The arduino based rfiddoor lock system is secure and responsive as compared to other systems.

To drive the solenoid lock you would need a power source that can give 12v 500ma. The circuit diagram of arduino and rfid based door access system is shown in figure 1. Most arduino pre flashed atmega 168 chips come with the default blink program pre installed. It provides serial output along with weigand output.

Connections between arduino and rfid are given in the table below. Connect a led to digital output 13 and verify that everything is working. Each rfid card has a unique id embedded in it and a rfid reader is used to read the rfid card no.