ST25 NFC/RFID tags and readers

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Resolved! STSW-ST25R-LIB using SPI while in IRQ context

Hello everyone, in a project we are using the ST25R3916 chip to read RFID cards. To do this we are using the sources of the STSW-ST25R-LIB library. If the ST25R3916 sets its IRQ output, the routine st25r3916isr() is called. In this ISR the interrupt ...

afr_e2 by Associate II
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  • 10 replies
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Resolved! T2T Emulation Response Failure

I'm working on emulating a T2T with my device. It successfully makes it through automatic anticollision, then starts looking for commands. When I see 0x30 0x00, I go ahead and send the first 16 bytes, but the reader does not react or show the read da...

LltWc_0-1727819257864.png
LltWc by Associate III
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  • 14 replies
  • 1 kudos

STM32 Pressure Sensor PCB Project

Hi I am in the the process of trying to replicate the STEVAL-SMARTAG1 board but with different sensors. I am new to making PCBs so I don't know if I've overlooked important considerations. A goal of my project is to remove the battery to reduce the b...

isaacseeto_0-1725240650434.png isaacseeto_1-1725240665915.png

Code Example for ST25R3916

Hello, I’m working on a project with an X-NUCLEO-NFC08A1 board to use it as an NFC Reader. Specifically, I have an NFC TAG, and I want to use the NFC08A1 board to read and write to this TAG.I’m currently looking for some example code to help me use t...

How to initialize a mailbox

We use STM32F103C8T6 as the main control chip, ST25DV64KC to do the slave and ST25R3911B NFC communication project process, we found that we are very confused about the initialization of ANT7-T-ST25DV64KC, we have been initializing failure in the pro...

sjek by Associate
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  • 0 replies
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separate Antenna PCB for St25R3916B reader

Hi ST team, We are going to use the ST25R3916B chip in our project to design NFC reader. Due to mechanical design constraints, I have to place the antenna in separate PCBA near NFC tag. I would like to know how should i connect my RF output from read...

Dilip by Associate II
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  • 5 replies
  • 1 kudos