ST25 NFC/RFID tags and readers

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Resolved! How to deal with I2C Communication for the slave x-nucleo-nfc07a1 in which ST25DV64KC incorporated and is interfaced with STM32WB55RG?

Hi Sir/Madam, I am working with I2C in x-nucleo-nfc07a1 where ST25DV IC incorporated interfaced with Nucleo-WB55 board, what is the slave address(device address) for this?I am firmware engineer, I have I2C Scanning program wherePreviously, I work wit...

BT.2 by Associate II
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  • 2 replies
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Resolved! Increase reading distance of CR95HF

Currently, I'm using CR95HF on our product which went into mass production already.  The tag is small with diameter only 9mm.  In the field, we are seeing a few percentage of unsuccessful read from the first read and need to retry several times.  How...

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Resolved! VDD_AM on ST25R3916

Hi,It may be a *** question but, im quite sure i read time ago that on VDD_AM pin the 2u2 cap must not be place at one sccenario, but now im not able to find where i read that info and also i dont remember which was the scenario. I start to think im ...

ignacio by Associate
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  • 2 replies
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Resolved! ST25R95 0x87 Response from SENDRECV

I am in the final stretch of my project using the ST25R95 with an ATTINY88.  I am working on custom hardware and not using libraries.I have all of the ST25R95 related commands working on my development setup with an Arduino UNO and X-NUCLEO-NFC03A1 b...

PDIhawk by Associate III
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  • 5 replies
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Resolved! [ST25DV] Restore RFSwitchOn (RF disabled)

Hello everyone,before introducing you to the issue I am experiencing, let me share my setup:uC: STM32U585I2C: Fast Mode PlusIde: STM32CubeIdePower Source: 3.6VDC (laboratory power supply)st25dvxxkc package: GitHub st25dvxxkc RF Reader: ST25 App (Goog...

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pa0grg by Associate II
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  • 6 replies
  • 1 kudos

Resolved! ST25DV on Xamarin.ios

I'm developing an app in Xamarin in order to read and write via mailbox the ST25 chip. In Android everything works fine but on iOS it's more complicated. Has anyone some example in Xamarin.iOS?Thankyou Davide.

ST25R3911B

Hi am using ST25R3911B DISCOVERY Board, and I am using ISO15693 Single read and write function.but this function not work properly and i found an err code after execution the code.the value not to be read and write properly. but  st25r3911WriteTestRe...