![]() You can choose to use Leds for output or Serial LCD module to inform users. Just one RFID tag needed whether Delete or Add Tags to memory. You define a Master Card which acts as a Programmer then you can able to choose card holders who can able to unlock the door or not. Unlocks a Door (controls a relay actually) using a RC522 RFID reader with SPI interface on your Arduino. I would like to thank dronmarket for sponsoring me about RFID usage on drones. Simply, this project gives you an opportunity to build what you want with this particular RFID reader. With this project, you can let people to unlock apartment's door without a key, or modify the code for something else to do. ![]() At first, I designed the work flow above, as a Newbie, its not quite an easy task to accomplish for me, then I found similar project on Instructables and modified it for use with specific RFID Reader (MFRC522 SPI Protocol). Since I got my RFID reader, I just wanted create a RFID door unlock system for my apartment's door. ![]()
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