As technology is advancing, so is our way of looking towards security and luxury. Even the old school lock and key system are now getting replaced by new technologies.
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RFID door lock has become very popular in many high-tech hotels and buildings. With these door locks, you no longer need to use a key to unlock a door. All you need is a card which you will have to bring in front of the RFID reader box which will identify the card.
This door lock system is quite easy to construct and use and that is why its popularity is increasing day by day.
In this project, you will make an RFID based door lock system using Arduino, relay and RFID. The RFID tag will be the basic key to your door lock.
This door lock system is basically an electricity-based system which works on providing a suitable voltage. Once the card is identified, the door will automatically get opened. To help you know whether the card is identified or not, there will be a beep sound and a blink of LED on correct recognition of your card. In case you put a wrong card in front of the reader, you will hear a buzzer sound to alert you.
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Project Implementation:
Requirements:
Here is a list of the items you will require while preparing your RFID based door lock system.
EM – 18 reader:
The EM – 18 reader is an RFID reader that reads the unique Id or number that every RFID card holds. This reader operates at 125kHz.
The output which this reader will provide will be a 12 digit ASCII terms where the first 10 digits of the code will represent the card number of the RFID card which will be placed in front of the reader and the last two digits will represent the XOR results of the same card number. These last two digits help you in error checking in case a wrong card is brought before the reader.
Conclusion:
After having completed this project, you can now easily use your device to lock unlock your door without having to make the effort of using a lock and key for that purpose.
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