Complete Arduino RFID tutorial using RC522 module. Learn wiring, programming, and build practical projects like door locks. Code examples included.

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 ...

We designed the RFID based authentication system using Arduino that include the transceiver, antenna, and decoder.

This automatic liquid dispenser is based on an RFID reader and Arduino. Whenever you want to fill a water bottle or can, or petrol in a vehicle, or any other liquid for that matter, you just need to ...

RFID enables wireless data collection by readers from electronic tags attached to or embedded in objects, for identification and other purposes. This article describes the construction of a simple ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system.

UID Reader – reads RFID card UIDs and displays them on a 16x2 LCD. Door Access Simulation – reads RFID cards, compares them to an authorized ID, and controls a servo to simulate a door lock/unlock ...

An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off. Instead of adding a button for “push to start” he opted for a 13.56MHz RFID module.

A cool RFID music table has been created using Arduino, iPod, and RFID tags to make it easy to change albums by simply changing the RFID tag. Each RFID tag has an individual code number relating ...

[Matt] has mixed up a batch of two RFID reading door lock systems. While the “door lock” part of the setup has yet to come into existence, the “RFID reading” section is up and running. By ...