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Questions tagged [nfc]

Near field communication is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them into close proximity, usually no more than a few centimetres.

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libnfc emulating tag not working on raspberry pi and pn532 module [migrated]

I am trying to get nfc (NDEF) tag emulation on pn532 board hooked up to a raspberry pi via i2c. The scanning works perfectly, but when I try to emulate a tag, for example using the libnfc's example ...
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Can you force enable NFC in the android system files? [migrated]

Problem: My sister's android phone has got a custom android rom that doesn't use the NFC functionality of the phone. Is there a way to edit say system files to "force enable" the NFC feature in the ...
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1answer
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Best long term storage solution? [closed]

What's the best device I can store data on for an extremely long time hundreds or thousands of years? Only planning on writing the data on to it once as it's going to be a time capsule kinda basically ...
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read RFID tags from browser on Android

Is it possible to access the NFC chip and scan a RFID tag from within a webpage displayed in the browser (Chrome or Firefox) on Android? Preferably in JavaScript, so we can put the data read from the ...
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1answer
117 views

NFC/RFID - Acr122u

So I'm using the Acr122u reader as part of a project implementing Host card emulation on an Android device and need the reader for testing my application. Picture of reader here I assumed at a basic ...
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1answer
50 views

Is MSO and MISO the same thing on an RFID chip?

I'm about to purchase an RFID reader/writer for my A-Level computer science project where users can login using RFID. I've found a chip on ebay but i cannot see the MISO pin, it does however have a ...
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1answer
467 views

Remove the user NFC from Windows login screen

I have the Asus Suite III (AS3) and Windows 10. When I installed the AS3, this created a new login option on the login screen: 'NFC is not ready now', but I have not seen anything in the configuration....
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686 views

Mfcuk tool not working properly

I recently managed to install libnfc. I wanted to test the tools mfoc and mfcuk, designed to obtain the keys of a NFC tag. Mfoc can retrieve all the keys only if it knows at least one key, Mfcuk can ...
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2k views

How do I use NFC tag, to unlock a PC, with my NFC enabled phone?

I am looking for a way to use my phone's NFC capabilities to be put in use for logging in to my laptop. The laptop does not have any NFC capability. So, I am looking for a workaround, that an NFC tag ...
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1answer
3k views

Installing LibNFC on ubuntu

I have some NFC chips I want to be able to read with my ubuntu installation,I have a PN532 Breakout board, and I want to install LibNFC so I can modify and read them. I have been following a tutorial ...
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1answer
1k views

Login to PC using NFC-enabled Phone

I have a Windows PC with an NFC reader and an Android device with NFC capabilities. Is there any way I can unlock my PC using NFC enabled Phone?
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2k views

How to add NFC pairing capability of Bluetooth headphones to Windows 10 laptop?

I have Bluetooth headphones that I pair to my smartphone via NFC. I want to do the same with my laptop but don't have NFC in it. I can buy a USB-NFC reader, but not sure if I get the same ...
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1answer
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Multiple Devices in Windows 10 Settings?

As seen in the above image, Windows 10 is showing that multiple NFC devices exist on my computer. The machine itself only has one NFC device present hardware-wise, but there are the following ...
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1answer
151 views

Using EMV Dual interface with MiFare tag for Access Control

I want to allow people to use their Banking EMV cards for Access control by placing MiFare tags on top of them. Some of the EMV cards are dual interface. Will using both MiFare and NFC result in ...
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How can I use the built in NFC reader in my Sony VAIO laptop?

I know that there's a n NFC reader in my laptop (Sony VAIO SVF1531C5E). I'm trying to figure out how can I access it and use it. Any ideas? lspci output: richusx@Prometheus:~/Downloads$ lspci 00:00....
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1answer
313 views

NFC tag scanning range

I've bought several NFC stickers (NTAG213) with a diameter of 25mm and build a simple scanning app for my android phone. I noticed that the tags have to be in direct contact or within a small distance ...
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How To Read NFC event?

I have an external NFC reader connected via usb to a Windows-7, with the drivers installed. It seems to work, as when I place a NFC card on the reader its led changes from red to green and the PC ...
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1answer
503 views

nfc pn544 write tag's

I'm trying to write nfc tag's like you can with the libnfc software. The only problem is that my reader, the pn544 is not supported by libnfc. I installed NEARD but I can't write with that. Does ...
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Practical use for Laptop NFC

I have a computer with NFC and a Google Galaxy Nexus. Both support NFC. Unfortunately, Google has failed to come up with any way to use them, too much noise around the keyword nfc. Can I transfer ...
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1answer
1k views

Need Some help, Cann't Access NFC Card in SDK on windows 7

I have ACR122U reader and Mifare1k card, When I try sdk on windows 7 It's can't access the card, But XP It's can.(XP test in VMware) result in Mifare Programming(SDK Project) I can Initialize and ...
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1answer
25 views

What all hardwares can be used for NFC Pairing?

as we all know, there are NFC facility in mobile phones now-a-days. It works on the principle related to induction. Once the paring is made, data gets transferred via WiFi or Bluetooth. We might ...
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3answers
61k views

Possible to playback RFID card using NFC functionality on phone?

Sometimes I forget my RFID door access card at home when I go to work, and when this happens I must stay in the building for the rest of the day or have a friend let me in if I leave during the day (i....
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1answer
983 views

Tracking people with NFC/RFID

I recently read an article about a Texan student called Andrea Hernandez who refused "wearing" an RFID tracking tag at school. I became interested in the subject. Apart from any legal/social/...
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2answers
10k views

How much battery power does Near Field Communication require from a phone? [closed]

My new Samsung SGS3 is equipped with Near Field Communication, which allows the phone to read a unique RFID code wirelessly from a nearby physical tag. The tag doesn't have any power source. Does ...
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2answers
4k views

Issues installing/compiling mfcuk/libnfc on Windows

After many issues, I think I successfully installed/compiled libnfc using these instructions. Now I am trying to compile/install mfcuk. Once I get to the ./configure step I get the following error ...
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1answer
142 views

Bluetooth with NFC chip [closed]

What's the point of NFC chip included in new generation of bluetooth headsets? The ads seem to imply the phone will use it to simplify one-time initial pairing, but does it have any other function?