Posted on January 23, 2014 at 15:38Hello Everyone,I have the same request than ramirez_prieto.valen, I'm looking for an I2C routine in order to write an NDEF message in a M24LR04 tag, but I haven't foud anything about that. Obviously the AN3408 is i...
Posted on February 24, 2014 at 17:02Hi all,I can see in the documentation the command ''Lock Sector'' and used in the android demo application but I cannot figure how to unlock a sector. Using the application, I have changed the first password and l...
Posted on August 29, 2014 at 16:55Hello,I'm having trouble calculating the CRC when sending and receiving bytes via i2c from the M24SR.I've tried following the example on page 29 from the application note on storing data in the NDEF memory(http://ww...
Posted on July 01, 2013 at 12:10Hej! I just bought a DEMO-CR95HF board to sort out EMI problems that I have with my own design with the CR95HF chip. To my disappointment the DEMO board generates more harmonics than my own design. My measurements can...
Posted on July 09, 2014 at 20:43I want to work with the RF transceiver Demonstration Board code and I have found it at this link:http://www.st.com/web/en/catalog/tools/PF257512 However, as far as I can tell, there is only a version of the project bu...
Posted on July 02, 2014 at 16:29Hello I want to build a reader to communicate with ISO14443A and ISO15693 tags using the CR95HF transceiver IC. I build a 2 turn PCB antenna and calculated the matching of the PCB antenna according to AN4327 and the ...
Posted on June 19, 2014 at 15:01Hi,I have two applications one for the Calibration of CR95HF and one for Tag detection. Before running the Tag detection application Calibration is done and the DAC ref value obtained is saved in a file. The Tag detec...
Posted on April 08, 2014 at 15:49Hello everybody, I have my M24SR working with my MCU :) I can read the contents of the tag. However, after a read from MCU, I cannot write the tag if I do not remove power from it. I have performed the DESELECT comma...
Posted on May 30, 2014 at 15:33Hi Guys,We are trying to build a multi-disapline access control reader terminal. The CR95HF was chosen for the design. The reader is not an OEM reader and is required to read a number of cards from Various Suppliers.We...
Posted on June 05, 2014 at 15:44Hi, firstly i am sorry my poor english.I bought a m24lr-discovery kit. In ''stand-by mode'', I made a few measurements at M24LR-Receiver antenna ( M24LR04-E [AC0 and AC1] ). But there is a remaining below ''zero'' sin...