Questions tagged [NFC] (104)

2
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Payment with NFC turned off, should work?

For me, this is Shaytan technology to actually bother one time, well...since I'm here, even two. 1) Samsung A51 (though it hardly matters), NFC in the top menu are disabled. Pay Samsung Sing, payment takes place. Um, why? As would logically not need, once the option is disabled. 2) Eats battery whether background NFC enab...
Aubre asked April 8th 20 at 17:14
1
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Can the NFC label to work without software on the phone?

Read about the program on Android, which can program the tag to turn the phone into airplane mode. As I understand it, this program then controls the reading of labels and functions on the phone. Question: if a person who does not have this program will put the phone to my programmed label, his phone run in air-mode? (In ot...
Deangelo61 asked April 4th 20 at 13:53
1
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How to record video on an nfc tag?

Is it possible to record an image on the nfc tag, carried the images of all 40 bytes I want to create a nfc identity, like id card only with photo and other personnel characteristics
Bruce.Gorczany48 asked April 3rd 20 at 17:53
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How to copy or read an electronic bracelet from a water Park?

Was in the Park, accidentally took the bracelet. Matured question, I wonder whether really with any program or equipment to copy a bracelet or a hack, honestly, my friend showed a program which copies the map of the three, i.e. fill up for $ 100, put the card to the NFC and choose the desired app and it copies the card and ...
evan asked April 3rd 20 at 16:49
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You need to copy the map SKD for Mifare, and is it possible?

At my school there are turnstiles, the passage which is read cards, CDS, and I'm curious to know how to copy the card data onto a blank RFID, then to go through with it, and the turnstile read my name and had to go through. And anyway, is it possible? Just maybe I am stupid and is not in any way can be implemented. If it is...
Santino_Rolfson11 asked April 1st 20 at 16:36
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Where to find lock with a nfc chip?

Maybe there are people who know about the electronic locks and will share their experiences what to watch out for and how best to deliver. I would like to find under these criteria: invoice electronic lock only with nfc and automatic code generation in the app on the phone + mechanical key if you run out of energy in the ba...
Lorine_Botsfo asked April 1st 20 at 15:54
1
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How many times you can pay for purchases in a physical store without bringing the phone out of the "in plane" (offline)?

It would be logical if the app had access to the Internet, made a supply of "charges", that is, one-time passcodes or card numbers that are then used for purchases. After all, if the signal is always the same, then hacked the reader can memorize it and pass where it should not. And then the culprit is hard to find, if reade...
sylvan_Haag asked March 31st 20 at 20:44
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How to identify an Android smartphone via NFC?

There RC522 in conjunction with Arduino Nano. You need to use it to make a device that if you put Android smartphone (Samsung s10+), the Arduino will execute certain actions depending on the ID of the smartphone (to be prescribed in the code). The problem, in fact, in identification. When I put the smartphone, the Card UID ...
Edwin.OConner42 asked March 24th 20 at 13:48
1
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PN532 + Python 3 + Windows of the library?

Is there a library for Python to read the labels under Windows (for my program enough even to read the UID of the card)? Have a pn532 reader and usb-ttl Converter. Rather need the library to work on HSU (UART) connection
Immanuel.Fu asked March 24th 20 at 13:47
1
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Can the nfc tag to copy credit card information to make purchases?

Can the nfc tag to copy credit card information to make purchases? Supposedly Google Pay.
lucas_Kuvalis asked March 24th 20 at 11:38