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 project is a microcontroller-based RFID attendance system using an ESP8266 module. The system sends attendance data to a local server (XAMPP) via HTTP protocol using the ESP8266HTTPClient library ...

In this study, an attendance system was developed using the Arduino Uno card and RFID technology. This system, which can distinguish between registered and unregistered cards in the course, which ...