ST25 NFC/RFID tags and readers

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ST25R95 tag emulation

Hi,I have a c++ project using the ST25R95 as a reader talking to a STM32L4 micro.  I want to play around with putting it in tag emulation mode so I can use an external reader to read data from it.I see references to emulation in the data sheet but do...

dsabol by Associate
  • 1 replies
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NFC - ST25R95 dead spot

Hi,I have a new PCB design using the ST25R95 chip.The application : Communicate with a moving tag with a reader (ST25R95). The distance is fixed (5mm) and the tags move under the reader. The problem : there is a dead spot at that distance when the ta...

StuN1 by Associate
  • 3 replies
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Resolved! ST25R95 Certification testing

Hi,I need to prepare three modes for the certification testing.1) Always transmit modulated2) Always transmit unmodulated3) Always in receive mode.For no 1, I think I can just set the protocol as an example ISO14443 / ISO15693 then read tag, right?Bu...

MResa.1 by Associate II
  • 2 replies
  • 1 kudos

Resolved! cr95hf Residual bits in last byte [0x90]

Hi,I am reading mifare desfire tag which is iso14443-4 compliant using cr95hf.Most of the time, communication is completed successfully but sometime, i am getting 0x90 result code when using SendRecv command.0x90 EUnintByte Residual bits in last byte...

ksevil by Associate
  • 1 replies
  • 0 kudos