rfid Questions
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I am often being asked about standards, the NFC is based on. I summarized my knowledge in the text below. I hope it can be an answer to such questions. Please feel free to correct it by posting com...
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Being a bit more specific: I would like to know whether there's a Smartphone that can detect an RFID tag from few feet away using its original HW (no external devices) and OS capabilities.
Any comm...
Perfectionist asked 15/9, 2011 at 15:57
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I'm new to NFC technology.
Apple hasn't yet opened NFC for developers. Does this mean that 3rd party application can't write data or trigger an action on the device?
But is it possible to identif...
Kalindi asked 17/7, 2015 at 16:47
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I'd like to know if there is a way to get the Baud Rate when it's connected on the RS232 port
BEFORE you initialize the SerialPort class and set it's values. Let me try to explain the reason for th...
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Is there an Open Source library for writing and reading data in C# from a smartcard using a smartcard reader? My smartcard model is mifare1k and my reader is ucr122u.
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I see lots of forums that say RFID is different than NFC. I absolutely agree with this as both have different standards and operate on different frequencies.
After some further research, I found t...
Oophorectomy asked 6/6, 2016 at 3:48
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[ Please only consider 1k classic cards in your answers. ]
I am hoping to gain a bit of industry knowledge in the realm of RFID. Specifically, with the MIFARE MAD (Mifare application directory). I ...
Maitilde asked 1/8, 2015 at 13:33
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I can read an 13.56 MHz NFC card with my phone's NFC reader and I get a hexadecimal value like:
1BF52327
This represents the card UID or serial number.
What data can I expect from a Wiegand r...
Recidivate asked 18/2, 2016 at 19:53
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I have bought a usb rfid reader. How can I read data when user puts an rfid tag in front of the device?
my computer identifies the device as an Human Interface Device.
If it identified it as an co...
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Is there a way to calculate/estimate the physical distance to a long-distance passive RFID tag when reading it with a tag reader? E.g. to determine the order of books in a shelf, or telling if one ...
Hour asked 9/1, 2013 at 14:10
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How can I make authenticate and read data from a MIFARE Classic card that is formatted with the MIFARE Application Directory structure? I'm using Android.
Sextuplicate asked 25/9, 2015 at 8:34
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I am thinking of developing an offline (local) system using PHP and RFID for my office here.
I have done some research regarding RFID device (card scanner type) and the SDK available out there in ...
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I have simple RFID reader that actually behaves as keyboard and returns read values with return character at the end.
I want my application to listen only single (distinct) keyboard device (which ...
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I receive bytes from an RFID reader when presenting a card, but I'm unable to figure out how to derive the card ID from these bytes.
For example, I have a card that has these numbers printed on it...
Dc asked 22/4, 2015 at 13:8
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I'm developing a NFC app that will have tags in public places, and in this way it would be necessary to lock the tags with a password or other tool, to avoid that someone deletes the information or...
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I am trying to read an ISO15693 RFID tag with the nfc android library:
Here is more info on the Tag: http://img42.com/gw07d+
The Tag ID is read correctly but the data in the tag is not.
onCreate...
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I would like to create a project that uses RFID technology. I don't know which languages can be used to retrieve RFID data. Is there a list of languages that provide good support for retrieving RFI...
Humblebee asked 9/3, 2011 at 16:27
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I have a MIFARE 1K tag. Some blocks can be written/read using authentication key A, while other block can be written using authentication key B.
Why? How can I change all blocks to be written/read,...
Knesset asked 20/1, 2015 at 16:44
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I'm trying to do Host card emulation on an Android device using this example using ACR1281U NFC tag reader.
This is the kind of application I want to make.
As per the Android documentation and th...
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The procedure of Mifare Classic 1K is
Polling for tags
Authenticate those tags
If authentication succeded then read/write.
I already completed those procedures and also read and write data fro...
Buckshot asked 11/1, 2015 at 10:6
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I have an RFID reader connected to an Arduino board. I'd like to connect to it over its serial interface, and whenever the RFID reader omits a signal ( when it has read an (RF)ID ), I'd like to ret...
Northman asked 3/10, 2008 at 22:47
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I have an Android app that reads NFC tags. Everything works fine on the LG Nexus 4 but on Samsung Galaxy S5 I only get I/O exceptions (tested on multiple phones).
So, tags are of type NfcV and I g...
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I bought NFC tags (stickers) last week with NFR reader/writer kits, could able to write and read data using gototags software (yet to buy a phone with NFC). My question here is, these NFC tag...
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