Sparkfun Qwiic Dynamic NFC/RFID Tag

Sparkfun ElectronicsSKU: RB-Spa-2146
Manufacturer #: SEN-21274

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Qwiic Dynamic NFC/RFID Tag Module by Sparkfun
Seamless contactless solution with ISO/IEC 15693 standard
High-performance NFC Forum Type 5 tag certification
Fast read access up to 53 kbit/s and 64-kBit EEPROM memory
Robust data protection and 40-year data retention
Versatile features: GPO pin, interrupt pin, and energy harvesting

The Sparkfun Qwiic Dynamic NFC/RFID Tag Module offers a seamless and efficient solution for various contactless applications. This high-performance module is based on the ISO/IEC 15693 standard and is certified as an NFC Forum Type 5 tag by the NFC Forum. It supports all ISO/IEC 15693 modulations, coding, sub-carrier modes, and data rates, ensuring compatibility with a wide range of devices and systems.

The module boasts a custom fast read access of up to 53 kbit/s and features a 64-kBit (8-kByte) EEPROM memory for storing data. The I²C interface allows for byte-level access, while the RF interface provides block-level access to 4-byte blocks. With a typical write time of 5 ms for 1 up to 16 bytes from I²C and 5 ms for 1 block from RF, this module ensures quick and efficient data transfer.

Designed for long-term use, the Qwiic Dynamic NFC/RFID Tag Module offers a data retention period of 40 years and a write cycle endurance of 400k to 1 million, depending on temperature. To ensure data security, the module features one to four configurable areas for user memory protection, which can be safeguarded in read and/or write by three 64-bit passwords in RF and one 64-bit password in I²C.

Additional features of the module include a General Purpose Output (GPO) pin, an interrupt pin configurable on multiple RF and I²C events, and energy harvesting capabilities. The supply voltage ranges from 1.8V Min to 5.5V Max, with the Qwiic bus operating at a maximum of 3.3V. The I²C addresses for user memory, system memory, RF switch off, and RF switch on are 0x53, 0x57, 0x51, and 0x55, respectively.

With its advanced features and robust performance, the Qwiic Dynamic NFC/RFID Tag Module is an ideal choice for a wide range of contactless applications in various industries.

1x Sparkfun Qwiic Dynamic NFC/RFID Tag

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ST25DV64KC:

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: 1.8V_Min, 5.5V_Max
Note: Qwiic bus operates at 3.3V_Max
I²C Addresses: User Memory: 0x53, System Memory: 0x57, RF Switch Off: 0x51, RF Switch On: 0x55

Arduino Library:

Read and write EEPROM memory via I²C
Change the size of the four user memory areas
Apply different levels of protection to the four areas
Change the I²C password
Read and Write NDEF (NFC Forum Data Exchange Format) records:
- URI
- WiFi
- Text

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