ST25 NFC/RFID tags and readers

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Resolved! Is it possible to make M24LR an active tag?

After studying the datasheet of M24LR, I am not sure if I implement two 3v button batteries, the M24LR could send back some massage (like UID) to the reader with a stronger signal than other passive tags. Here are my questions: 1: Will the signal st...

Lchan.1 by Associate II
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  • 2 replies
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Resolved! Transmitted power of ST25R3916.

Hi,I am using ST25R3916 to make an RFID reader, but I don't know how to calculate the transmit power of its antenna. I am using a differential antenna design, as shown in the figure below:Hope to get somebody's support.best regards,Lingfu

0693W00000GWHCvQAP.jpg
LLi.3 by Associate
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  • 1 replies
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Resolved! st25r3916 driver for using external mcu(ESP32)

Hi !I use st25r3916 and esp32 for i2c or spi communication on my custom board.​I'm referring to the st25r3916 i2c, spi driver related documents and codes from the link below.​https://www.st.com/en/embedded-software/stsw-st25r-lib.html#documentation​A...

Jkim.7 by Associate II
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  • 2 replies
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Resolved! ST25R3916 using AAT and Hardware wake-up

Hi, I have a issue with the ST25R3916 when using the AAT and the Hardware wake up functions together. The tuning works fine and finds the best parameters, then when entering sleep mode the parameters changes to a fixed value. When waking up the first...

0693W00000FB0orQAD.jpg 0693W00000FB0pVQAT.jpg 0693W00000FB0ppQAD.jpg
COles.1 by Associate
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  • 4 replies
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Resolved! I am using ST25R3911DISCOComm.dll and the lib in a QT application. Using MSVC 2019 32-bit configuration I am able to get my application running using the 'Debug' sub-configuration only. If I use the 'Release' the application crashes immediately.

I am using ST25R3911DISCOComm.dll and the lib in a QT application. Using MSVC 2019 32-bit configuration I am able to get my application running using the 'Debug' sub-configuration only. If I use the 'Release' the application crashes immediately. My s...

TOzya.1 by Associate II
  • 289 Views
  • 5 replies
  • 0 kudos