Add secure contactless RFID functionality to your electronics projects with the MFRC522 RFID RC522 Reader Module. Operating at 13.56MHz, this compact RFID module is designed for reading and writing MIFARE-compatible RFID cards and key fobs. Using the SPI communication interface, it seamlessly integrates with Arduino, ESP32, ESP8266, STM32, Raspberry Pi Pico, and other popular microcontrollers. Whether you're building an attendance system, smart door lock, access control solution, inventory tracker, or IoT project, the RC522 module provides reliable performance and easy integration.
Its low power consumption, compact design, and extensive library support make it one of the most popular RFID modules for students, hobbyists, and professional embedded developers.
Key Features
- ✔ Based on NXP MFRC522 13.56MHz RFID Reader IC
- ✔ Supports MIFARE Classic 1K, 4K & compatible RFID cards/tags
- ✔ SPI communication interface for fast data transfer
- ✔ Operating Voltage: 3.3V DC
- ✔ Reading distance up to 3–5 cm (typical)
- ✔ Compatible with Arduino, ESP32, ESP8266, STM32 & Raspberry Pi
- ✔ Ideal for Attendance Systems, Access Control, Smart Locks & IoT Projects
Whether you're creating a smart attendance system, RFID door lock, or embedded authentication solution, the RFID RC522 Module is an excellent RFID reader for embedded systems and IoT applications.
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