Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [nfc]

Near field communication, a wireless communication technology. This tag is to be used for questions how to interface to NFC devices.

60 questions
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PN532 Unable to wait for SPI data

I'm following this https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=78966using a PN532 I purchased. When i type in NFC-LIST I get this: nfc-list uses libnfc 1.7.1 error libnfc.driver.pn532_spi Unable to wait for SPI data.…
Onyx175
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4
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2 answers

NXP Explore NFC using libnfc on Raspberry Pi

I am thinking of starting a project where I use the NXP Explore-NFC board for the Raspberry Pi so that I can write NDEF messages to the NFC via an Android device. I currently own the Raspberry Pi and the NXP Explore-NFC board. I have been doing some…
James Meade
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3
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1 answer

Wire length between Raspberry and RC522

I want to know what is max length can be wired connection between Raspberry and RC522 module?
Kirill_code
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2
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Purpose of NFC readers/writers

I want to send data from my RPI to my phone via NFC but I'm confused on the purpose of NFC modules. I thought I would need a writer module to be able to do this but some tutorials online use readers for this which further confused me. Could someone…
user1233963
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2
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1 answer

connecting elechouse PN532 V3 to raspberry pi. 5V or 3.3V?

device manual is elechouse V3 PN532 p.e. to connect via HSU (serial) the wiring is: elechouse PN532 RPi --------------- --- GND 6 VCC 1 (3V3) or 2 (5V)? SDA/TxD 10 SDL/RxD …
francesc
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2
votes
1 answer

How to connect NFC to Raspberry pi 3

I resently bought a Raspberry Pi 3 model b and with it an NFT module, the ITEAD PN532. Unfornatly there wasn't the gpio connector, so i bought one on amazone which convert 40 to 26 pin. I don't know much on how things works with gpio et the…
AntonKad
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2
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2 answers

How to control Smart card readers without card on them?

Well these days Im trying to design a software which use smart card readers, I am using ACR1252u and I have discovered how to buzz my smart card reader if a tag or card is on the reader. but still wondering how can I do this without the card on the…
Farzad Moghaddampoor
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2
votes
1 answer

How connect NFC Module ITEAD PN532 to the new Raspberry Pi 2

I bought an NFC Shield Module, ITEAD, which has got a 26-pin port. The new Raspberry Pi 2 Model B has got 40 GPIO pins. I connected a ribbon cable between the NFC module (red stripe on RST_OUT pin) and to the left (when reading the writings) to the…
Jean Paco
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PN532 board connected to RPi 2B. Not working with NTAG tags?

Recently I bought this board (at least it looks like that). I connected the board with my RPi 2B via I2C. I compiled and installed libnfc and libfreefare. The board came with 2 ISO14443A tags (non-NTAG215), and it read them with no problem. However…
MetroWind
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1 answer

Raspberry Pi error communication between NFC and Smartphone

I'm trying to communicate a Raspberry Pi and a Smartphone (Samsung Galaxy S8) through NFC. I'm using a card reader RFID-RC522, and I connected correctly with the Raspberry (I can detect NFC tags). But when I try to detect the smartphone, I can…
Pau Tena
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2 answers

Is it possible to use Raspberry PI for contactless payments?

It's very easy to read some data from contactless credit cards (PayPass/VisaWave-enabled) like card number with NFC/RFID Shiled for Raspberry PI and i'm just wondering, if it's possible to use Raspberry PI as a EMV contactless payment terminal?
ovnia
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0
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2 answers

PN532 in Raspberry Pi 3 is not working

I am trying to debug why my Pi 3 is not able to communicate with PN532 NFC breakout. I have a couple of library used to test it (libnfc, nfcpy, and NPM PN532), I am able to test these libraries to be working in Raspberry Pi 1 A/B+ But, when I use…
kelvien
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1 answer

"ImportError: No module named RPi.GPIO" when trying to add NFC reader RC522

I am trying to add a NFC tag reader to my model4B pi. I have been using the guide on this page I have added the reader to my pi, using female to female jumper cables, using the diagram provided. I have managed to install the libraries but on that…
tjcss
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RC522 not recognized as NFC-reader

I've installed the RC522 module on my Raspberry Pi 3B according to this guide: https://pimylifeup.com/raspberry-pi-rfid-rc522/ Reading and writing with the python scripts works, but according to this project I'm trying to make I have to define a…
holygoat22
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votes
1 answer

Sending NFC signal from My RPI

I wanted to record data on my RPI. Then I want to send this data with NFC to a Android Mobile app. Is this possible, and if yes, which component would I need?
Wouter Van Hecke
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