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.

58 questions
7
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1 answer

Does Raspberry Pi support NFC?

Does the Raspberry pi work with NFC and specifically communicating with an Android phone? Are there any NFC cards that are better / worse than others for working on the pi?
Jake1164
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6
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2 answers

Impossible to scan RFID tags using libnfc, PN532, and RPi3

I recently bought this NFC/RFID reader PN532 module V3 I want to use it with my raspberry pi 3. I have install and configured the library libnfc. The PN532 is connected with I2C. I have well enabled it on my RPi. My problem is that I cannot scan…
qcha
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6
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1 answer

Raspberry Pi and the ACS ACR1252U USB NFC Card reader

I'm using a ACS ACR1252U card reader (http://www.acs.com.hk/en/products/342/acr1252u-usb-nfc-reader-iii-nfc-forum-certified-reader/) connected via USB and to be honest I have no idea how to get it working. I've Googled a ton of stuff but no luck.…
zundi
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4
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1 answer

How to use Arduino devices with Raspberry Pi?

I bought "RFID RC522" & "GY-NEO6MV2", and I need a useful guide for both of them in order to use them with Raspberry Pi 3 Model B. I also want to know if there is a guide or a course for using Arduino devices with Raspberry Pi.
Abdulkader
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4
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0 answers

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

Is it possible to install pcsc-lite 1.8.13 on raspbian OS?

I'm working on a raspberry pi project. I'm trying to install a driver package for ACR1251U-A1 NFC tag. This package requires to install pcsc-lite package at first. But as I understand after a search on the internet, pcsc-lite 1.8.13 is not possible…
yusuf
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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

Raspberry Pi 3 Python for PN532 I2C

I've looked everywhere however have no idea on how to write a python program to listen to PN532 via I2C? Only SPI libraries however I cannot use that.
Liam Charmer
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3
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2 answers

PN532 NFC module not working on Pi 3

I am trying to discover why my Pi 3 is not able to communicate with PN532 NFC module. I'm using a couple of libraries to do it (libnfc and NPM PN532), but it's not working. I followed the steps of the folowing answer and other sites, but I still…
Bruno A. Klein
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3
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4 answers

Raspberry Pi multiple NFC readers

I am building a Raspberry Pi B+ powered survey device. It would use NFC scanners for multiple choice questions. It should display a question on LCD screen and the user should have his NFC tag scanned by NFC scanner corresponding to his choice. I am…
julka
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3
votes
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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1 answer

Raspberry pi 3 RFID RC522 Card UID is not same with USB RFID Reader

I'm working with RFID RC522 using Raspberrypi 3B+. I'm following https://github.com/mxgxw/MFRC522-python this package and works like a charm. I can able to read the data from the card, able to write as well. the problem is, this package is returing…
Mohammed Ismail
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2
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1 answer

py532lib - i2c - Working But Too Many Files Open After A While

I'm successfully reading data from my NFC tags with the py532lib, using the i2c connection, put out by Hubcitylabs 5 years ago. https://github.com/HubCityLabs/py532lib/blob/master/py532lib/i2c.py Unfortunately, after running for about 15 minutes,…
Bobby Hill
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2
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0 answers

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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