Description
- 1x Sparkfun Qwiic Dynamic NFC/RFID Tag
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: 1.8VMin, 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
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
Estimate shipping
WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.