RFID RC522 Based Attendance System Using Arduino with Data Logger 

In this project we’re going to build RFID MFRC622 based Time Attendance System Using Arduino Board. When you swipe an RFID tag next to the RFID reader, it saves the user UID and time in an SD card. It also shows if you are late or in time accordingly to a preset hour and minute.
For this we are interfacing MFRC522 RFID SPI module with Arduino. We are also interfacing SD Card Module as Data logger where the data is saved in text format. Similarly, RTC Module DS3231 or DS1307 is used to store time information.
This attendance system can be used in school, college and office and is the best alternative for the traditional attendance System. To learn more and to buy required components please visit the below link:
Source Code/Program: how2electronic...
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