ST25 NFC/RFID tags and readers

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Resolved! Trouble with stsw-m24sr001 and STM32F4

Posted on May 05, 2014 at 15:37Hello, I am using your stsw-m24sr001 firmware with a M24SR (from the M24SR matrix antenna) and a STM32F4-discovery with a STm32F407VG. I have many problems to use the functions of lib_ M24SR.c. When I use the M24SR_Ini...

Resolved! CR95HF: Tag removal detection

Posted on May 06, 2014 at 11:42Detecting the presence of tags with the CR95HF works fine. But is it possible to detect the removal of a tag within the antenna field? I was thinking about polling the Tag Detect command with a very short timeout. As l...

g23 by Associate
  • 1 replies
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Resolved! M24LR16E - I2C communication

Posted on May 14, 2014 at 15:03Hello,I wish to use the M24LR16E as a NFC tag. In order to do this I have an ANT1-M24LR16E, a CR95HF and an Aardvark for the I2C communication.With the M24LRxx_Application_Software I send a text through the RF (with th...

adina by Associate
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Resolved! Solved: Another mistake in M24SR datasheet

Posted on April 02, 2014 at 12:27Hi, as [DEAD LINK /public/STe2ecommunities/memories/Lists/M24SR%20Series/Flat.aspx?RootFolder=/public/STe2ecommunities/memories/Lists/M24SR%20Series/M24SR%20-%20mistake%20in%20table%2067%20Datasheet&FolderCTID=0x0120...

joaquim by Associate III
  • 3 replies
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Resolved! CR95HF and DESFire

Posted on April 21, 2014 at 05:45Hi Everyone,I'm using the CR95HF to access the DESFire card. Everything was going fine up to RATS and PPS.However when I tried to send the GetVersion Desfire command (0x60) using the Half-duplex block transmission pr...

Resolved! Demo CR95HF-A ISO 15963 max range

Posted on January 23, 2014 at 11:23Hi, I'm trying to achieve the maximum reading range from my demoboard CR95HF-A with a ISO 15693 tag (LRi2K). Until now I've obtained best results with modulation-index 10% and gain 34dB by writing 0x50 to ARC_B reg...

pieretti by Associate II
  • 13 replies
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Resolved! M24LR04E-R time to ready from power-up?

Posted on March 17, 2014 at 12:24Hi all, I'm looking for an indication of worst-case time-to-ready: i.e. from power-up - assume external VCC, not induced power - to fully commandable from I2C. I've searched the datasheet (DocID022208 rev from end t...