Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
Hi everyone,I'm currently working on an NFC reader design using the ST25R3916B in single-ended configuration to read and write ST25TV02KC tags (ISO15693, NFC-V).Instead of a PCB antenna, I'm using a round, wire-wound air coil antenna and now need to ...
I have downloaded the source code of ST25PC-NFC (STSW-ST25PC002) and tried running it as it is. I am running JDK 23.0.1 and also downloaded and extracted JavaFX 23.0.1. Every time I run the MainApp, it loads the application for a second before it get...
Hi ST Team, I am new to NFC and have designed the schematic for NFC reader and antenna based on ST25R3916B. I am connecting these 2 PCBs with UFL connector antenna cable. When i started to test, some how it did not work, meaning tag is not detected. ...
Hi everyone,I’m currently working on a project that involves NFC technology, but I’m a bit unsure which NFC tag would be the most suitable for my use case. Maybe some of you have experience with similar requirements.My main goals:Product authenticati...
Hello,In the process of using ST25R3920B as a card reader, if the value of RFO is modulated to 0, there will be an RFAL ERR INTERNAL error, and the card reader will not be able to read NFC cards. Changing the value of RFO to 0x03 can not detect the e...
Hi everyone,I’m currently working on a low-power embedded system that uses an STM NFC Dynamic Tag (such as the ST25DV series) in a passive NFC setup. The goal is to harvest energy from the RF field generated by an ST25R3916B NFC reader (13.56 MHz, IS...
Hi everyone,I'm currently working on a project involving batteryless NFC sensors that rely on energy harvesting for their power supply. In this setup, the ST25R3916B is used as the NFC reader and is responsible for generating the RF field.The idea:Th...
Hi,I recently purchased the X-NUCLEO-NFC08A1 and the NUCLEO-F411RE boards. I have successfully run the example application (`PollingTagDetect`) provided in the X-CUBE-NFC6 software expansion on this platform. Moving forward, I would like to develop a...
Hi,I am trying to measure the parameters of an external differential antenna I designed. I have been using the application note AN4974 in order to figure out how I can measure these parameters and I have some confusion on the setup and the results I ...
Hello ST Community,I’m working with the ST25R3911B on a NUCLEO‑NFC08A board and would like to drive a custom differential antenna via two separate coaxial cables. Here is what I’ve done so far and the questions I have:I disconnected the onboard PCB a...