RC522 RFID Module with Card & Tag – 13.56MHz Reader for Arduino, ESP, and Access Control Projects
The RC522 RFID Module is a 13.56MHz radio frequency identification reader/writer, perfect for adding contactless identification and access control to your electronics projects. It comes with a key tag and RFID card, and is compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers.
 
Key Features:
13.56 MHz RFID Reader/Writer
Supports ISO/IEC 14443 Type A tags, ideal for short-range contactless communication.
MFRC522 Chip
Low-power, high-performance chip for RFID reading, writing, and authentication.
Multiple Interface Support
Communicates via SPI (default), I2C, or UART (with configuration).
Complete Starter Kit
Includes 1 RFID card and 1 key fob for easy out-of-box testing.
Arduino-Compatible Libraries
Well-supported by existing RFID libraries for fast integration with Arduino and similar boards.
 
Applications:
RFID door lock systems
Attendance systems
Smart cards and keyless entry
Asset tracking
Contactless payment simulations
IoT security and identification
 
Package Includes:
1 × RC522 RFID Module
1 × RFID Key Tag
1 × RFID Card
1 × Set of Male Header Pins
 
Specifications:
Operating Frequency: 13.56 MHz
Chipset: MFRC522
Operating Voltage: 3.3V
Interface: SPI (default), I2C, UART
Reading Distance: Up to 5 cm
Supported Protocols: ISO/IEC 14443 Type A
Baud Rate: 106 kbps
 
Dimensions:
Module Length: 40 mm
Width: 60 mm
Height: 5 mm
 
Weight: 10 g
 
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