Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
Hi,I have the ST25R3911B-DISCO connected to my Win 10 laptop and ST25R3911B Discovery GUI software is not finding the board.When I select Tag Editor in the software this is the message returned This is the message received when I try to upgrade the F...
Hi,I am currently working with the example projects from the ST25FTM library inside the STSW-ST25R-LIB. In the AN5512 it is mentionend that the file "st25ftm_config_hal.h" needs to be provided and is the same for all NFC readers.This file (in the exa...
Dear Community,i'm looking for a solution for NFC antenna of range ~10mm and M24SRxx-Y. The space on double layer PCB (1.6mm) is limited to max. +/- 20mm x 8mm, tag should be read by a mobile app.Does anyone experienced / has a reference design for s...
After reading the data through the ios NFC Tap app, the Linux platform can't read or write data to the ST25DV64KC through the iic.Below is a log of the app after it was read and operated with linuxBelow is the log that is not read with the app and op...
My organization is currently planning to develop a monitoring unit that will connect with a mobile app via NFC. For this, we have chosen the ST25R3916 NFC module, with the STM32WLE5 series controller as our main MCU. Recently, we started working on t...
HiI Reported this for Improvement in STSW-ST25RFAL 3.0 source before.Now STSW-ST25RFAL 4.0 is available but the following problems are not changed.1) Add to rfal_analogConfig.h, rfal_crc.h, rfal_iso15693_2.h header files.#if defined( __cplusplus )ext...
I'm developing an app that writes and reads settings from an STM32 over NFC. I can write settings to the ST25DV mailbox and poll the RF_PUT_MSG register to detect when data has been written. Which register should I poll to know if the app has request...
I have designed RFID and I am now trying to deternine the antenna parameters by followingAN4974 Antenna matching for ST25R3911B/ST25R391x devices I have bought NanoVNA-H4 for doing the measurements.But what confuses me is how to connect the RFID ante...
I drew a pcb with antenna and put st25dv on itbut i get read data error on the st appis that st25dv need to program first?or just my soldering is bad? or antenna isnt standard?the antenna is designed as this P.S. I can read the tag by other app call ...
HiI download the newest STSW-ST25RFAL 4.0.0 and try to update my project from STSW-ST25RFAL 3.0.0. In rfal_nfc.c is a new function platformTimerGetRemaining( ) used.I can't find a sample implementation because STSW-ST25R_1.7.0 is still with 3.0.0.Whe...