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! Questions on ST25RU3993-HPEV output power

Hello ST,We are working with the ST25RU3993-HPEV board to evaluate the RFID chip.We have performed measurement of the output level on the antenna port and below are the obtained results:For the internal PA:Output level set using ST GUI / Expected out...

SPhun.1 by Associate II
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  • 2 replies
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Resolved! Enter a password on the NFC Tap iOS app

How do I enter a password on the NFC Tap iOS app when the keyboard covers the action buttons?I'm trying to password protect a ST25TA02KB using NFT Tap for iOS, and having some difficulty. First, it's giving me a, "This is not a type 4A tag" error. If...

JVern.4 by Associate
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  • 3 replies
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Resolved! Out of Band Pairing

Hi,I have a project where we use the STM32WB55 with the ST25R3911B as NFC module for OOB pairing.I couldn't find any example for OOB pairing flow.My start point is the p2p_server example and I can see there are:BleApplicationContext.BleApplicationCon...

~Amit~ by Associate III
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  • 14 replies
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Resolved! How to use DLL CR95HF.dll on VB.NET?

Hi eveyone,I need to use the CR95HF.dll library on a VB.NET application but when i try insert on the project i get an error.I think this library is VB compatible only but i dont sure about this.Maybe anyone know how to port this library to be used on...

Dosan by Associate III
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  • 14 replies
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Resolved! battery-less NFC strain sensor

I would like to develop a battery-less NFC strain sensor using an ST25 chip using mobile phone to read.Similar to this video: https://www.youtube.com/watch?v=C3YMzW_v8SsWhat components/hardware/software that I need to buy?Thanks and Regards,

CDo.2 by Associate
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  • 2 replies
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Resolved! st25dv04k nfc tag, as standalone

Hello, i would like to integrate ​st25dv04k nfc dynamic tag to my pcb design, my question is: could i use it without any configuration or initialization?As I'm planning to not connect it to a i2c device.​​If yes, should i connect the harvesting power...

ETAHA.1 by Associate II
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  • 3 replies
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