ST25 NFC/RFID tags and readers

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Resolved! ST25R95/CR95HF wake up from tag detector without tags

Hi,I'm using an X-NUCLEO-NFC03A1 board with an nRF52840DK. I'm running my own driver on Zephyr and I'm able to read tags by polling. I plan to set the chip in the tag detector WFE so that once a tag is detected, it can wake up the host to handle the ...

Stellar by Associate II
  • 17 replies
  • 1 kudos

Resolved! about the target matching Z for ST25R3916

Dear Sirs,To achieve a longer reading distance, we are tuning the antenna matching parameters.To use the ST25R antenna matching tool, we need to give a value fortarget matching Z and target antenna Q. I wonder how to select the target matching Z for ...

DSai.1 by Associate III
  • 2 replies
  • 0 kudos

Resolved! What is the Zchip value of a ST25R3916B-AQWT chip?

Hello,What is the Zchip value of a ST25R3916B-AQWT chip?Looking at the AN5276 page 29, the Qucs settings for Zchip is 3Ω and Zchiphalf of 1.5Ω.  Should I use this same value for simulating the ST25R3916B-AQWT chip?  The other app note AN4974 says it ...

pablog by Associate II
  • 2 replies
  • 0 kudos

Resolved! Which tag to read/write with NFC03A1

Hi,I have tried to search the forum, but not been able to find a clear answer.I am very new to NFC and have started by acquiring the NFC03A1 (ST25R95) together with a NUCLEO board (F446RE).My hopefully simple questions are:1. Is it possible to write ...

tyassin by Associate III
  • 1 replies
  • 0 kudos

Resolved! Industrial NFC reader for ST25DV04KC

Hi,I'm developing firmware for embedded with NFC chip ST25DV04KC (ISO15693 type 5).SDK Discovery based on CR95HF is used for development NFC interface. SDK included DLL for creating applications on PC.Can anyone recommend industrial (device ready for...

Resolved! FTM mailbox message length

Project : STM32L476RG-Nucleo\Applications\X-NUCLEO-NFC04A1\FTM For read, you always add one to the result of the length read:  *msg_len = mblength + 1; Seems reasonable when mblengh is 255 , and you add one to read 256 bytes ,  which is the max mail...

DS.4 by Senior II
  • 1 replies
  • 0 kudos

Resolved! X-NUCLEO-NFC08A1 : Change to Single-ended Antenna?

Hello,I have a question about X-NUCLEO-NFC08A1 Evaluation Board.The evaluation board is configured with a differential antenna by default, but I would like to change it to a single-ended antenna.Is there any guidelines I can use when making changes? ...

mhbaek by Associate
  • 1 replies
  • 0 kudos

Resolved! st25r3911bdiscocomm.dll?

is some buddy can help me with ST25R3911BDISCOComm.dll I want to present password and write password  what is the appy to use to pressent the password and write and some decumention about the appy   thanks  Eliahu Roash