This project is an RFID-based smart attendance system developed using Arduino Uno, RFID RC522 module, and DS3231 RTC module. The system identifies students using RFID cards and records attendance with ...

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

In this tutorial we will learn how to use the RC522 RFID module. We will understand the simple overview of the specifications and demonstrate a project example of the Arduino RC522 RFID card reader ...

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. Ensure the RFID tag/card UID matches the authorized UID in the code. Use the potentiometer ...