【MFRC-522 RFID Module】
✔ 13.56MHz Frequency | ISO 14443A Standard
✔ Read Range: Up to 5cm
✔ SPI Interface (Works with Arduino/RPi)
✔ Includes RFID Card + Key Fob
✔ Perfect for Access Control & Smart Systems
MFRC-522 RFID Reader Module – Secure Contactless Identification
The MFRC-522 is a low-cost RFID reader/writer module operating at 13.56MHz. Perfect for DIY access control, attendance systems, and IoT security projects.
Key Features:
🔑 Multi-Tag Support – Works with Mifare S50, S70, Ultralight, and NTAG cards
📡 SPI Interface – Easy connection to Arduino, ESP8266, Raspberry Pi
🛡️ Built-in Antenna – Effective read range up to 5cm
📦 Complete Kit – Includes 1x RFID card + 1x Keychain tag
Popular Applications:
• Door Access Control Systems
• Attendance Tracking Devices
• RFID Payment Prototypes
• Inventory Management
Note: Requires 3.3V logic level. Use voltage divider for 5V Arduino.
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