Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

This is a simple and practical implementation of an RFID-based attendance system using Arduino. It uses the MFRC522 RFID module to detect and read RFID cards. When a valid card is tapped, the system ...

An RFID based attendance system using Arduino is a system that uses radio frequency identification (RFID) technology to automate the process of taking attendance. The system consists of an RFID reader ...