RFID Card Reader Module RC522 – Pack of 2

📝 Product Description:
The RFID RC522 Card Reader Module is used for contactless identification and access control systems. It operates on 13.56MHz frequency and supports RFID cards and key tags. This module allows users to read and write RFID data securely and is widely used in attendance systems, security projects, and smart automation. It is compact, fast, and easy to integrate with Arduino and other microcontrollers.

⚙️ Product Details:
• Model: RC522 (MFRC522)
• Sensor Type: RFID Card Reader / Writer
• Operating Frequency: 13.56MHz
• Operating Voltage: 3.3V DC
• Interface: SPI
• Reading Distance: Up to 5cm
• Supported Cards: MIFARE 1K / 4K, ISO14443A
• Data Transfer: High Speed
• Low Power Consumption
• Compatible With: Arduino, ESP8266, ESP32, Raspberry Pi

📦 Pack Details:
• Quantity: 2 Pieces
• Condition: New
• Color: Blue PCB (May Vary)

🔧 How to Use:
1. Connect VCC pin to 3.3V (Do NOT use 5V).
2. Connect GND pin to Ground.
3. Connect SPI pins (SDA, SCK, MOSI, MISO, RST) to controller.
4. Install MFRC522 library in Arduino IDE.
5. Upload example code for reading cards.
6. Place RFID card/tag near reader to scan.

📚 Applications:
• Attendance Management Systems
• Access Control Systems
• Smart Door Locks
• Cashless Payment Projects
• Library Management
• Security Systems
• IoT Authentication
• Educational Electronics Kits