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 ...

Traditional check-in systems often rely on manual processes that are prone to errors and time-consuming. To overcome these challenges, we developed an RFID Based Check-In System using Arduino, RFID ...

The below RFID Door Lock System circuit diagram represents how an Arduino, RFID Module, Relay module, Solenoid Lock, and LCD display are connected to create a secure and automated door lock system.

The system utilizes RFID tags or cards to identify individuals and biometric data (such as fingerprints) for additional verification. It includes a central Arduino Uno R3 board that acts as the main ...

Arduino Code for RFID-based Authentication System. The code is developed using the Arduino IDE. The EM 18 RFID module operates on serial communication; when RFID is detected, it sends the data over ...

A few months back, [John] was reading an article about a simple RFID security system kit, and decided he would like to build one himself. While many of the system’s details, including full s… ...