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! Handling multiple devices with st25r3911b

How would i send apdu to multiple detected devices? I believe I should use the rfalIsoDepPollAHandleActivation() function with different DID values. I couldn't find much documentation on DID other than it's used to determine which device to activate ...

Resolved! st25r100 alternatively in Tx Mode and in Rx Mode

Hi all,I am working on the ST25R100 which I would like to be able to read  a NFC tag but also to be read by a Smartphone.Is it possible to do it simultaneously or at least alternatively by switching one mode to the other?If yes what could we switch m...

sguitton by Associate
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  • 1 replies
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Resolved! ST25DV EEPROM Write Cycle limit

Hi there, I'm working on a project to dynamically write new URL record to the ST25DV dynamic tag. Record will keep getting update every few minutes. I would like to make sure that the chip can last for 5-10 years hence the question of write cycles li...

NeroDo by Associate II
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  • 6 replies
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Resolved! M24C64-DRMN8TP - iPhone read tag fail

Hello, I build a business card with the M24LR64E-RMN tag.When using NFC Tap application on Android everything works perfectly. I'm able to write and read the NFC tag.However, when using with iPhone 12 (IOS 17.7.1) - while reading a tag I'm getting th...

MKoza_dev_0-1732136187622.png

Resolved! ST25TB02K-AC6G6 footprint

I am developing a PCB using the ST25B02k component, but I miss the info to generate the correct footprint (die form named SBN12). Can you help me get the chip measurements and drawings? Thank you so much. 

Resolved! Problems with P2P connection (st25r3911b-disco)

Hello everyone,I'm trying to establish a stable p2p connection between two st25r3911b disco boards. I'm still figuring things out and using the demo code as a reference to get it working.I get one communication, but after that I break out of my while...