MFRC-522 RC522 RFID Card Reader Kit


Recommended for Arduino starters!

6 in stock

Add to Wishlist
Add to Wishlist
SKU: MDU-INP-RFID-MFRC522 Categories: , Tags: , , , ,


The RC522 is a 13.56MHz RFID module that is based on the MFRC522 controller from NXP semiconductors. The module can supports I2C, SPI and UART and normally is shipped with a RFID card and key fob. It is commonly used in attendance systems and other person/object identification applications.


  • RFID frequency : 13.56MHz
  • Operating voltage : 2.5 – 3.3 V
  • Communication : SPI, I2C protocol, UART
  • Maximum Data Rate : 10Mbps
  • Read Range : 5 cm
  • Current Consumption : 13 – 26mA
  • Power down mode consumption : 10 uA (min)



3V33.3V power inputConnect to 3.3V power source
RSTResetConnect to digital pin
GNDGroundConnect to GND of system
IRQInterruptOptional : Connect to digital pin
MISOMaster-In-Slave-OutConnect to pin 12 of Arduino
MOSIMaster-Out-Slave-InConnect to pin 11 of Arduino
SCKSerial ClockConnect to pin 13 of Arduino
SDASerial DataConnect to pin 10 of Arduino




** This module comes with unsoldered header pins, kindly reach us if you need soldering help **

Additional information

Weight20 g
Dimensions90 × 60 × 15 mm