Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

I demonstrate how to build an RFID-based access control system using Arduino! This project integrates an RFID reader (RC522), servo motor, 16x2 I2C LCD, three LEDs (Red, Yellow, Green), and a 2-pin ...