SparkFun Dynamic NFC/RFID Tag - Qwiic

The SparkFun Dynamic NFC/RFID Tag offers 64-kBit (8-kBytes) of EEPROM memory which can be accessed over both I2C and RF (NFC)! It's a state-of-the-art tag which conforms to ISO/IEC 15693 or NFC Forum Type 5 recommendations. You can read and write the tag's memory using NFC even while the tag is powered down or disconnected.

The EEPROM memory can be divided into four areas, each of which can have different levels of protection applied. Want to store your data so everyone has read and write access over both I2C and RF? You can do that. In fact, that's the default. Want to store your data in an area which can only be read if you know the password, and cannot be written to (via RF)? You can do that too.

The SparkFun Arduino Library provides all of the methods you need to read and write the user memory, control the read and write permissions, alter the area sizes and apply password control. SparkFun have included extra methods which will let you read and write NDEF (NFC Forum Data Exchange Format) URI, WiFi and Text records which your smart phone can understand.

Quick Spec

  • Contactless Interface
    • Based on ISO/IEC 15693
    • NFC Forum Type 5 tag certified by the NFC Forum
    • Supports all ISO/IEC 15693 modulations, coding, sub-carrier modes and data rates
    • Custom fast read access up to 53 kbit/s
  • Memory
    • 64-kBit (8-kByte) of EEPROM
    • I2C interface accesses bytes
    • RF interface accesses blocks of 4 bytes
    • Write time:
      From I2C: typical 5 ms for 1 up to 16 bytes
      From RF: typical 5 ms for 1 block
    • Data retention: 40 years
    • Write cycle endurance: 400k to 1 million depending on temperature
  • Data protection
    • User memory: one to four configurable areas, protectable in read and/or write by three 64-bit passwords in RF and one 64‑bit password in I2C
    • System configuration: protected in write by a 64-bit password in RF and a 64-bit password in I2C
  • General Purpose Output (GPO) pin
    • Interrupt pin configurable on multiple RF and I2C events
  • Energy Harvesting
  • Supply Voltage: 1.8VMin, 5.5VMax
    • Note: Qwiic bus operates at 3.3VMax
  • I2C Addresses:
    • User Memory: 0x53
    • System Memory: 0x57
    • RF Switch Off: 0x51
    • RF Switch On: 0x55

Resources

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SparkFun Dynamic NFC/RFID Tag - Qwiic

  • Brand: Sparkfun
  • Product Code: SPX-19035
  • Weight: 0.006kg
  • Product Status : Active
  • Stock

    Warehouse Stock Status Location
    Centurion Limited Stock F117
    Stellenbosch No Stock
    Bulk Location No Stock

    We ship free of charge between branches to complete your order.

  • R275.00 (Inc Tax: R316.25)


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Tags: sparkfun, dynamic, nfc, rfid, tag, qwiic, access control, st25dv