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! Listen Mode in X-Nucleo-NFC03A1

I have the X-Nucleo-NFC30A1 with the Cr95HF chip. My question is: Is the Listen Mode supported for Type A tags?I used the X-Cube-NFC3 v2.0.0 and managed to get the Tag Detector working. But I am trying to implement the Listen Mode and am facing probl...

Resolved! how to access the full freq version of the S/W ?

The Eval kit GUI allows to evaluate the ST25RU3993 whatever the regional settings/frequency are (840 - 960MHz). This wide-freq version seems to be reserved for evaluation purpose only while the standard version is freq limited (to match regional reg...

agnes by Associate II
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Resolved! The dynamic range of phase change in an RU3993

Hi,I am using one of the evaluation boards to test 3993. My objective is to determine the change in the phase of the reflected signal. For this reason, I use the movement detection mode that shows the Phase of the tag using the linear I & Q RSSI valu...

NKhal by Associate
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Can't communicate with CR95HF over UART

We've connected CR95HF with arduino uno via UART but it seems to give random outputs on the serial monitor.The arduino code:#include <SoftwareSerial.h> SoftwareSerial BTserial(4, 5);       void setup() { // put your setup code here, to run once: ...

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PGupt.17 by Associate II
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Resolved! ST25R3911B with antenna size 30x40cm

HiI am new to NFC solutions and I have to design a product that can read NFC tags inside an area of about 30x40cm. The tags won't be far away, I think less than 10cm. But they are all placed inside this area, with the wire-antenna around them.Is it p...

Can ST25DV share I2C bus?

I am in early development of a board with an ST25DV64k, and am currently not doing anything to communicate with or configure the ST25DV. The I2C bus is shared with another device. The ST25DV addresses are 0x53 and 0x57 (7 most-significant bits), an...

BHamm by Associate II
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