Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
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...
Hi I am planning to evaluate the ST25R3920B for NFC reader applicaiotn in automotive.I only find STEVAL-25R3916B kit on your website, based on your presentation file, this kit is also valid for ST25R3920B, it is right?if not, where can I find the sui...
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 finding it difficult to get clear direction on best practices for how to do the layout for CSI and CSO. App note AN4985 says that "parasitic capacitance to ground should be made as small as possible", and then recommends using a coupling capaci...
Hello, the NFC reader I use is ST25R100. My card is Mifare Desfire EV2. Does it support it?My configs are like this, but it doesn't read the uid. It reads the NFCA type correctly.
Hi, I am currently working on a use case involving the ST25DV16K NFC and Phytec Pollux board for Wi-Fi credentials sharing and connectivity. I came across the following Arduino library for ST25DV:https://github.com/stm32duino/ST25DV I would like ...