Locking /Unlocking computer using RFID tag


In this DIY we are going to make a device to unlock our computer running on any operating system using an RFID card.

We just needed to pass the card above the RFID reader, in my case I have placed it inside my laptop housing.

As you can see in the picture, I have removed the CD drive and placed an SSD and on top of that, you can see our RFID reader with Arduino Leonardo.


As shown in the circuit give the connections as follows:

   Arduino Leo      
 PIN 10  
 PIN 9 


After building the circuit please upload the program and open the serial monitor and scan your RFID which you need to set as your computer key and note down the RFID number which is printed in the serial monitor and update that number in the program (line 10);

Also, update your password (line 48) in the program and upload the program again. Now We are ready to go.

Watch the video


Locking /Unlocking computer using RFID tag Reviewed by Abu Yazid on July 03, 2018 Rating: 5

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