Arduino Uno RFID Reader Module

Project Overview

This project demonstrates how to interface an RFID (Radio Frequency Identification) reader module with an Arduino Uno to read RFID tags. The UID (Unique Identifier) of the detected RFID tag is displayed on the Serial Monitor.

Components Needed

• Arduino Uno
• RFID RC522 Module
• Jumper Wires
• Breadboard

Block diagram

Circuit Setup

1. Connect RFID RC522 Module to Arduino Uno:
   • Connect the following pins on the RFID module to the corresponding pins on the Arduino Uno:
     • RFID Module SS/SDA to Arduino pin 10
     • RFID Module RST to Arduino pin 9
     • RFID Module MOSI to Arduino pin 11
     • RFID Module MISO to Arduino pin 12
     • RFID Module SCK to Arduino pin 13
     • RFID Module GND to Arduino GND
     • RFID Module 3.3V to Arduino 3.3V

Instructions

1. Circuit Setup:

   • Wire up the RFID RC522 module to the Arduino Uno as per the circuit setup section.

2. Code Upload:

   • Open the Arduino IDE and create a new sketch.
   • Copy and paste the provided Arduino code into the sketch.

3. Testing:

   • Upload the code to the Arduino Uno.
   • Open the serial monitor with a baud rate of 9600.
   • Scan an RFID tag near the RFID module, and observe the UID printed in the Serial Monitor.

Applications

• Access Control: Use RFID tags for secure access to buildings or rooms.
• Inventory Management: Track items equipped with RFID tags.
• Automation: Integrate RFID systems into automated processes for identification.

Notes

• Ensure the RFID module is correctly powered and connected according to the specifications.
• Adjust the code or integrate additional functionalities based on your project requirements.
• Explore libraries and additional resources to expand the capabilities of your RFID-based applications.

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