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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Looking for NFC/BLE P2P wearable

My partner and I are creating an app designed for P2P as well as traditional user/vendor interaction. We need a wearable that can create a mutual event on the back end when the two wearables touch or are in close proximity. I see the ST25R3916 or STM...

Resolved! ST25DV64K application crashes

I'm trying to read the ST25DV64K memory but the ST25 NFC Tap app just keeps trying to read it, it keeps blinking as if it's trying to read it and then fails and the screen goes back to normal. I'm using a Samsung S24 Uktra with Android 16.

Greidimar by Associate III
  • 121 Views
  • 6 replies
  • 1 kudos

Help with ST25R100 communication

Hi,I’ve started working with the ST25R100 NFC IC using the X-NUCLEO-NFC09A1 board. I’m currently testing the initialization part and trying to read the Product ID via SPI.I’m getting a Product ID value of 0xA9, but I’m not sure if this is correct. Co...

Vivek93 by Associate
  • 30 Views
  • 0 replies
  • 0 kudos

ST25DV04KC android 16 problem

Hello, I have a problem after updating the system to Android 16. Before, everything was great. I have a custom application to work with ST25DV04KC. Now, the NFC service crashes before connection, and the system app opens NDEEF. Only on the first "tap...

DanZak by Associate
  • 270 Views
  • 5 replies
  • 1 kudos

Resolved! ST25DV 0xb3 custom command

I'm developing an ios app and a need to present a password to write a protected block. I use the custom command 0XB3 that i allready used in the equivalent android app. Unfortunately without success. So I tried with the custom command menu of the NFC...

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fmevoli by Associate II
  • 93 Views
  • 4 replies
  • 0 kudos

ST25R39R11B

  Currently, we are developing a card reader featuring a circular NFC antenna. However, due to the lack of equipment for measuring antenna parameters, we are reliant solely on calculated theoretical values. The circuit board and antenna are depicte...

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J-luu by Associate II
  • 610 Views
  • 1 replies
  • 0 kudos