Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
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...
Hello, So I am trying to make my freshly bought ST25DV64KC- DISCO work.I was trying to run the firmware update with NFC connectivity with the iOS NFC tap application.It was not working, since for the firmware update demo with FTM, kept complaining ab...
I connected these 2 kits in some PC but cannot connect to USB HID as shown in picturesHowever when I unplugged the cable, the text "ST25R3911 Reader Board Removed" shown as in picture below.The USB status always in red, no board detection. I search g...
Hi I was just wondering if someone could help point out where I could be going wrong with my implementation of write NDEF function. This is a very rough implementation but I believe I am following the correct message structure. I know my i2c mem writ...
Hi, Is there a reference design for a wireless charging system based on the ST25DV and the ST25R3916.The webinar :Webinar: NFC charging: the tiniest solution for wireless charging– STMicroelectronicsshows the boards in use but the ST Micro NFC websit...
Hi,St Community!I tried to use the RFAL library that provides support for ST25TV commands such as PresentPasword and WritePassword.However, it is still not possible to set a password for the user memory area on the card.My specific operation process ...
Dear ST Community,Our whole team is really irritated by the behavior of a ST25 DV64K-I tag.We want to use the NFC tag to transmit a firmware hex file (.bin). For testing purposes, we used the ST25 NFC Tap Android App and after successfully scanning t...
I am trying to use the low power detection mode now, I want to try to use the phase detection function to implement a low power detection card, the 3920B can configure the interval time between each detection pulse, but Apple has no control over the ...
Hi All, I having been using the st25R3911B-disco board for the past several months as a development tool for a project using the ST25DV chipset. Up until now I have really only had to use the iso15693writ/readblockblock functions that I saw in the cp...
Hello everyone,I am working on a project that requires identifying the RSSI of all surrounding tags.If "tag 6361" is not placed, the remaining three tags can be recognized and their RSSI can be obtained. However, after placing "tag 6361", only "tag 6...
