UHF RFID reader
Hi Team, Do you have any MCU/MPU that supports UHF RFID reader/writer?I see the ST25RU3993 was into this category, but becomes EoL. Do you have any replacement for the same? Regards,Jenitt
Forum Posts
Error using NFC TAG App to read/write st25dv
Hello everyone, I am trying to use the NFC TAG App on my iPhone to read and write st25dv. I often meet an error command saying Read/Write memory command failed: com.st.st25.STException: Error CMD_FAILED. I believe I meet this command when two situat...
M24SR64-Y Antenna Design
Hello,We recently designed an antenna patterns for M24SR64-Y chip. As per the spec, the central frequency of this chip is centered around 14.2MHz, (Please correct me if my understanding is wrong). Thus we proceeded to design the antenna with STM ede...
Resolved! st25r3916 Card emulation mode exit
Hi,I am using the "demoCE()" funtion to be able to work with the mobile. I am able to read/write with the mobile, but my problem is how to know when it has finish the communication and when the mobile has been removed from the field.I am using t4t mo...
RFAL_ERR_WRONG_STATE returned by rfalNfcvPollerExtendedReadMultipleBlocks
Hi, I rarely see that the api rfalNfcvPollerExtendedReadMultipleBlocks() returns RFAL_ERR_WRONG_STATE .When will this api return this error code ?My state machine is as follows: while(1) { rfalNfcDiscover(); rfalNfcGetActiveDevice() rfalNfcDeactivat...
firmware transfer problem in nfc st25dv with ftm protocol
Hi, we have drive the st25dv64,it work fine,but when we use it transfer otafile to mcu use the st ftm protocol, it transefer ok in app,but we found that the FTM_FlushToFlash just call once in one segment(just write 512bytes in one segment transfe...
Resolved! RF Writing is not working on ST25DV64
Hi,I am working with a ST25DV64. I succeeded reading and writing via I2C. I can also read via RF interface. But I have not succeeded writing via RF interface.I checked the static registers and there is no write protection, I have one area and RFA1SS...
Resolved! Javacard with ST33 SE, ST25 NFC Chip and ePaper Display (SPI) powered by NFC Energy Harvesting
HiI am a complete beginner when it comes to Smart Cards/Javacards, Secure MCUs and NFC.We specialize in Bitcoin/Crypto Custody and are exploring Smart Card (Javacard) based secure storage of end-user private-keys.We want to design and manufacture a J...
Resolved! Is there a ST25DV SDK for Flutter OR API to Flutter
Is there a ST25DV SDK for Flutter？flutter api or ST25DV api? how to read and write ST25DV/NFC
Problems to recognise the NFC tag with the ST25 app.
Hi @Cedric Dalban @JL. Lebon,I have changed the RF register in the ST25 application on my mobile phone and now I cannot communicate with the ST25DV6564KC chip, it does not recognise the tag. Even if it is powered by an external battery.I have tried t...