ST25 NFC/RFID tags and readers

Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.

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Resolved! Automatic Antenna Tuning - ST25R3914

All,BackgroundChip: ST25R3914Library: RFAL for ST253911BI am currently working on a project that uses the ST25R3914 nfc chip and would like to implement the Automatic Antenna Tuning (AAT) feature. After looking at the data sheet, it states that chip ...

APant.2 by Associate III
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Resolved! Stream mode definition register: typo?

According to the ST25DVi2c datasheet, a high bitrate encoding has four subcarrier pulses (followed or preceded by 9.44us of unmodulated time) to designate a 0 or 1. A low bitrate uses 16 pulses and 37.76us of unmodulated time.By changing bits 3 and 4...

OSilv.1 by Associate II
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Resolved! Add Apple VAS compatibility

Hello, We are trying to make an NFC reader for door access control. Reading NFC tags and Android phones are as expected. But for Apple product we have to support Apple VAS. I found a similar question https://community.st.com/s/question/0D53W00001MY8k...

Resolved! shield-m24sr-adv

Hi, I've got a x-nucleo board marked shield-m24sr-adv and I'm unable to find any docs about it. Well of course its a NFC reader board but.......

LePluc by Associate II
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