M5Stack Mini RFID Reader/Writer Unit (MFRC522) [Discontinued]

Sale price £11.50
incl. VAT
excl. VAT

RFID has an RFID MFRC522 chip inside.

The MFRC522 operates in the 13.56MHz frequency band and uses the modulation and demodulation principle to interact with the proximity RF card. This unit can realize the function of the card reading and writing device, to identify and record multiple card information, to encode and authority a RF card.

It is able tp establish applications such as access control system, punching system, warehouse goods storage and community vehicle access registration.

Connect this Unit to GROVE PORTA on M5Core, I2C address is 0x28.

Product Features

  • 13.56MHz Operation frequency
  • I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s
  • RC522 Transceiver Buffer: 64 bytes
  • Supported protocol: ISO14443A, MIFARE and NTAG
  • Operate temperature: -20℃-85℃
  • How long data be saved for: > 10 years
  • Reading and writing distance: < 20 mm
  • Program Platform: Arduino, UIFlow (Blockly, Python)
  • Two Lego installation holes


  • 1x RFID unit
  • 1x GROVE Cable


  • Smart home access control system
  • Vehicle management
  • Smart transportation
  • Smart bookshelf


Resources Parameter
Communication protocol I2C: 0x28
Net weight 6g
Gross weight 21g
Product Size 48*24*8mm
Package Size 67*53*12mm


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