byte readCard[4]; // Stores scanned ID read from RFID Module byte masterCard[4]; // Stores master card's ID read from EEPROM digitalWrite(redLed, LED_OFF); // Make sure led is off ...

In this project, I designed and implemented a secure, efficient, and user-friendly door lock system using RFID technology integrated with an Arduino Uno microcontroller. The system automates access ...

An RFID-based attendance system transforms the tedious task of manual attendance tracking into an automated, error-free process. What makes this project particularly exciting is how a few inexpensive ...

The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...

Abstract: This Smart Tech Cart system integrates Arduino and RFID technology to not only streamline retail and inventory management but also focuses on analyzing user behavior. By leveraging RFID for ...

Instructables user talk2bruce created the Arduino Internet Gizmo, a card reader that takes you to your favorite websites with a touch of an RFID tag. Instructables user talk2bruce created the Arduino ...

If you can dream it, Arduino can help you build it -- perhaps with a dash of MakerBot thrown in for good measure. The latest homebrew project to hit the ol' inbox sounds an alarm whenever you leave a ...