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! How to get memory write GPO interrupt using st25dv04k ? Is there any interrupt is there to check user success fully read tag data ?

i am successfully write message to my type 5 tag and it get read by user. I have seen that there is different interrupt we can get on gpo pin. But i don't know which interrupt i need to use when message successfully read by user ?i want to start Blue...

Mpraj.19 by Associate II
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  • 14 replies
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Resolved! NFC06A1- linux demo, detect nfc

I run the linux demo for X-NUCLEO-NFC06A1 in a raspberry. It starts "Scanning for NFC technologies...", I pass an empty nfc tag to the module and it does not recognize it. I can see the state in demoCycle() passing from state=1 to state=2 (DEMO_ST_DI...

KVoul.1 by Associate III
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  • 4 replies
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Resolved! Linux demo X-NUCLEO-NFC06A1 canot find device

I connect the module to a raspberry pi 3 through SPI, compiled and executed sudo./demo/nfc_demo_st25r3916. I changed the interrupt pin to physical pin 11 because the default was busy.The demo stays at scanning and never detects the module.I ran it ...

KVoul.1 by Associate III
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  • 8 replies
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Resolved! ST25RU3993 Intermittent Read

I made a new board based on the EVAL board (removing single ended xmit).My issue is even after tuning the radio, my tag detection performance is below the eval board (same parts/layout as far as I can tell, minus 2:1 mux for switching tx paths).Is th...

Jeff C by Associate II
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  • 5 replies
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Resolved! Not able to detect any tag on st25r3916

Hello All,I'm trying to receive tag ID through st25r3916 discovery board. I read out the register through PC GUI software tool and try to mimic it on my firmware. I'm new to this board even RFID. I did not find any library that can help to develop my...

HSidd.1 by Associate II
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  • 9 replies
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Resolved! ST25RU3993 ADC Debug Usage

I see the ADC Pin runs to the STM32 MCU ADC Pin, and that in the firmware demos it prints the adc value to the screen.However I don't see any place the ADC value is used for tuning or anything else other than just random information.For example, for ...

Jeff C by Associate II
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  • 2 replies
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Resolved! Is it possible to Unlock an RFID TAG ?

I use the standard function " STUHFL_T_RET_CODE Gen2_Lock(STUHFL_T_Gen2_Lock *lockData) " to Lock a Tag, But now I wanted to unlock the same Tag and following the standards information in Gen2 protocol Like the pictures below, I try using the same fu...

0693W00000BbqD0QAJ.png 0693W00000BbqCqQAJ.png
GPaiv.1 by Associate III
  • 3881 Views
  • 2 replies
  • 1 kudos