Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.
Posted on January 23, 2014 at 16:48Hello to all,I have a question about the WIP/ RF BUSY pin operations.In my application I set such pin to indicate a write in progress (namely the WIP function).The datasheet states that this pin remains low until t...
Posted on December 23, 2013 at 13:06I have managed to do what I want with this board using the DLL, however I want to expand my use of the board to other operating systems such as Linux and OSX (for Mac) and these do not use DLLs. Is there any way t...
Posted on January 09, 2014 at 06:40What's the NFC library used in NFC M24LRxx_Application_Software in PC? is it the CR95HF.dll? I try to know more how about NDEF format data send to NFC device from PC? For example, how to send image file to NFC targ...
Posted on December 14, 2013 at 12:13Hello, I have M24LR Discovery Kit.The present NFC & Data-logger android application works with NFC enable phones application. We are trying to write our own android application for CR95HF demo board for Friendly A...
Posted on November 25, 2013 at 20:06I've tried a number of ways to get M24LR tags recognised by a Windows Phone 8 device (Lumia 920) - but to no avail. WP8 is supposed to recognise NDEF formatted tags but doesn't. I've tried formatting with the ST...
Posted on November 24, 2013 at 18:19I use the CR95HF chip for reading and writing data in the NFC forumtag Type 2 Tag (NTAG203F). I can read the data, but can not write data to Tag, although NTAG203F is writable. When I send a command to write data,...
Posted on November 05, 2013 at 16:29Hello, I want to download the http://www.st.com/web/en/catalog/tools/FM147/SC1871/PF259363♯, the Excel sheet named STSW-95HF003. Can you fix the link, because it is broken, it gives a 404 Error. Or you can give a ...
Posted on October 18, 2013 at 11:58Hi to all,I'm using a self-made eval board based on the M24LR16E-R dual EEPROM chip. It is very simple as it consists of the EEPROM chip, filter capacitors, pull-up resistors and, obviously the antenna.RF signal is...
Posted on August 14, 2013 at 22:24Hello all, I have been trying the M24LR-discovery board. Without applying an external 3V3 supply to the board, the operational range appears to be only about 1.5cm (less than one inch). There is an antenna design ...
Posted on September 25, 2013 at 16:57occasionally when I send a CR95HFDll_SendReceive command, I get error code 4 back. 5 I understand - the USB is not connected, so I simply reconnect, but 4 is a communication error. How can I recover from this in...