Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
Hi,I need to write the same kind of NDEF data to ~20 different NFC stickers placed on a panel. The idea is to have ~20 small antennas, select one at a time, and write to the sticker sitting above that antenna.Questions:Can I do this with X-NUCLEO-NF...
Hi I am evaluating NFC function on your STEVAL 25R3916B board, but I would like to see how it works with the I2C interface. Currently, the default configuration is SPI.I have downloaded STM32CubeIDE and STEVAL-25R3916B_V2.1.0 project code, but am not...
Hello,I hope this is not a duplicate but I didn't find a similar issue.I'm developing for my company an Android app using the STSW-ST25SDK001 - Software Development Kit for ST25 Tags and Dynamic Tags (https://www.st.com/en/embedded-software/stsw-st25...
Hello @all, I've downloaded ST25DVCryptoDemo for iOS from here, in order to take a look into the demo code for a new project.Once I've tried to build the Demo app I've got a big amount of errors. In fact the console gave me this message "too many err...
I am using ST25DV04KC tag and using the V_EH pin to power the VCC of the tag only( It will generate around 3.3V which is enough to power up the tag in I2C mode I believe) . I am looking for guidance on the maximum pullup voltage on the I2C and GPO li...
Hello ST Community,I am using a STEVAL-25R200A to do tests with the ST25TV02KC.I am trying to rfalST25xVPollerPresentPassword, with a pwdNumber of 0x00 to enter Configuration Session (As described in the nfc tag datasheet), But keep getting error 5, ...
Hello and thanks for reading. We are using the M24SR02 and are having a problem where, when the length of the payload is exactly 31 characters, we cannot read the payload with a phone or other device.We tested both with our hardware and the dev board...
Hello ST Community, I am currently working on an in-house NFC anti-counterfeiting authentication platform for my clothing brand. The system is being built using the ST25TV02KC tag, and we are now in the stage where access to AN5580 – “TruST25 digital...
Hello Can someone help with locating software documentation for the implementation of Anti Cloning Verification using the TruST Digital Signature with STTV25-02KC chips. I've found plenty of sales & marketing materials describing it on the ST websit...
Hello,I developing a board with ST25R3911B and STM32F103RFT6. Im trying to read Chip ID, but it always reads 255. On the scope i can see CS pin driven low, clock and MOSI line outputing signals, but no response on the MISO line. The solder joints loo...
