Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
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...
Hi！St Community My goal is to set a password for the user memory area on the card.During the process of writing the encryption code for the card, I read the manual for the ST25TV02KC. Based on the underlined sentence in the image, I first send the ...
During initialization of CC, as I understand we should have values 0xe1,0x40,0x40,0x00But I am getting 0xe1,0x40,0x40,0x43. Im trying to manually write 0xe1,0x40,0x40,0x00 at address 0xa6, 0x00 which is failing. I ignored that and tried to write a te...
Hi everyone, Today I installed the ST25NFC library for my ST25R3916B when I unpack the the zip file I see a .exe file. After installing and going to the designated folder I see all the files. What to do with those files is where to problem starts. I ...
Hello All.I want to disable RF write access for all the user memory. Do I have to use RFA1SS like: Write password 00000000;If security session is open: Read RFA1SS, OR it with mask 0x0C and write back to RFA1SS; Write password ffffffff.?Do I ...
Hi everyone,I'm currently working on reading and writing the registers of the ST25R3916 chip, which is mounted on the NFC08A1 board. However, I'm running into some issues with the I2C read and write operations.Below is the code I'm using to attempt r...
Hello everyone, in a project we are using the ST25R3916 chip to read RFID cards. To do this we are using the sources of the STSW-ST25R-LIB library. If the ST25R3916 sets its IRQ output, the routine st25r3916isr() is called. In this ISR the interrupt ...
Hi,Is there any NFC chip that is capable of emulation NFC-V Tags (ISO 15693)?Thanks.
I connected a Raspberry Pi 3 to the ST25R3911B-DISCO and used the Linux driver suggested by ST. However, I haven't been able to successfully detect the IRQ despite following the setup. Any suggestions on troubleshooting this issue?
