MFRC522 - Arduino Reference

Reference > Libraries > Mfrc522 MFRC522

Communication

Arduino RFID Library for MFRC522 (SPI) Read/Write a RFID Card or Tag using the ISO/IEC 14443A/MIFARE interface.

Author: GithubCommunity

Maintainer: GithubCommunity

Read the documentation

Compatibility

This library is compatible with the avr, megaavr, STM32F1, teensy, esp8266, esp32, samd, atmelsam architectures so you should be able to use it on the following Arduino boards:

• Arduino Micro
• Arduino Leonardo
• Arduino Mega
• Arduino MKR FOX 1200
• Arduino MKR GSM 1400
• Arduino MKR NB 1500
• Arduino MKR VIDOR 4000
• Arduino MKR WAN 1300 (LoRa connectivity)
• Arduino MKR WAN 1310
• Arduino MKR WiFi 1010
• Arduino MKR ZERO (I2S bus & SD for sound, music & digital audio data)
• Arduino MKR1000 WIFI
• Arduino Nano
• Arduino Nano 33 IoT
• Arduino Nano Every
• Arduino Uno
• Arduino Uno WiFi REV2
• Arduino Yún
• Arduino Zero

Compatibility Note

Note: while the library is supposed to compile correctly on these architectures, it might require specific hardware features that may be available only on some boards.

Releases

To use this library, open the Library Manager in the Arduino IDE and install it from there.

• 1.4.11 (latest)
• 1.4.10
• 1.4.9
• 1.4.8
• 1.4.7
• 1.4.6
• 1.4.5
• 1.4.4
• 1.4.3
• 1.4.2
• 1.4.1
• 1.4.0
• 1.3.6
• 1.3.5
• 1.3.4
• 1.3.3
• 1.3.2
• 1.3.1
• 1.3.0
• 1.2.1
• 1.2.0
• 1.1.9
• 1.1.8
• 1.1.7
• 1.1.6
• 1.1.5
• 1.1.4
• 1.1.3
• 1.1.2