ST25 NFC/RFID tags and readers

Resolved! Where can I find an updated platform.h to go with the latest version of RFAL library (en.STSW-ST25RFAL001, v2.2.0/22-May-2020)

Hi,I recently downloaded the latest version of the en.STSW-ST25RFAL001: v2.2.0/22-May-2020. In my application I had been using an older version of the en.STSW-ST25RFAL001. However in the Release notes for en.STSW-ST25RFAL001: v2.2.0/22-May-2020, ther...

Resolved! ST25R3911B with VDD powered by 3.3V reports 0V for VDD, VSP_A, VSP_D & VSP_RF

I have ported the STM32F4 firmware written for NFC05A1 board and got it to run well on a Nucleo STM32F0 board. Since then, I have since designed and prototyped a custom board with with the NFC05A1 reference design copied and controlled with an STM32F...

Resolved! Hi, Trying to find the land pattern / footprint recommendation to device P/N: ST25DV04K-IER6C3 (UFDFN8), Please help, Thanks, Barak

Resolved! ST25R3911B Fast Transfer Mode

Hi!I am part of a research project which utilizes the X-NUCLEO-NFC05A1 and ST25R3911B-DISCO boards, as well as ST25DV04K chip, for exploring Fast Transfer Mode (FTM) and I am in urgent need for your help in order to being able to proceed. Unfortunate...

Resolved! How to wake up ST25RU3993-EVAL board without rts and dtr pins?

Hello,I want to use multiple uart to communicate this board to pc. I have successfully established connection between uart1 and pc using only rx and tx pins of uart1 (no handshaking and no dtr/rts pins) using ft232 converter. But this connection only...

Resolved! ST25R3916. Problem connecting with Google Pay on old Android phones

Our NFC reader, based on ST25R3916, works fine with Google Pay(modern Android phones), Apple Pay, Visa, Mastercard, Mir... But i’ve got the strange issue then interacting by ST25R3916 with old Android phones (Galaxy A6, Huawei P smart…).Paying card a...

Resolved! Detection application for Tag Type-V with demo example

Hello, I'm trying to write a program which will detect the tag. I follow the demo example NFC05 and use a function from rfal_nfcv.h file.I detect a Tag sucessfully. But the problem is when I want to use Collision avoidance "rfalNfcvPollerCollisionRe...

Resolved! Having some anomalies with and questions about the ST25RU3993eval.

I have found on one day I get good performance and read range from the unit, but I can come in on the next day and only be able to read an inch or so with the same settings. Today it is working reasonably well again. Can anyone explain this?I need...

Resolved! AN2866 App Note Square Spiral Antenna inductance not in agreement with online eDesignSuite calculation

I tried to compare a modeled square spiral antenna from the AN2866 app note (Sec 4.3 page 11):https://www.st.com/resource/en/application_note/cd00221490-how-to-design-a-1356-mhz-customized-antenna-for-st25-nfc--rfid-tags-stmicroelectronics.pdfwith th...

Resolved! Hello Can any one write a block data into 1K Mifare classic card with CR95HF (ISO.IEC14443A). thanks

I have clicker2 board and it communicate with CR95HF. How can i write a block of data into Mifare classic card with ISO/IEC 14443A?