M5Stack NFC Unit (U216) – NFC reader and writer (ST25R3916)


 

 


The NFC Unit reads and writes NFC tags and cards at up to 4 cm. Use it to start a scene when you tap a tag, or as simple access control. It supports more card types than a regular RFID reader.

Works with

  • Arduino and UIFlow
  • ESPHome via an external component (no built-in support for the ST25R3916)
  • All M5Stack controllers with a Grove port

You also need

A controller and NFC tags. Grove cable included.

Specifications

ChipST25R3916, 13.56 MHz
ProtocolsISO 14443A/B, FeliCa, ISO 15693
RangeUp to 40 mm
InterfaceI2C via Grove, address 0x50

Documentation and certification

Manufacturer: M5Stack Technology Co., Ltd, Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China, [email protected]. EU representative: Success Courier SL, Calle Rio Tormes 1, Planta 1, Derecha, Oficina 3, 28947 Fuenlabrada, Madrid, Spain, [email protected].

End-of-life electronics must be taken to separate collection. Read about e-waste.



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