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Questions tagged [pn532]

46 questions
4
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PN532 not working as expected with I2C communication with ESP8266 NodeMCU v3

I have two problems with the PN532 connected with I2C communication in the ESP8266. The first problem is that sometimes when I connect the board, it throws an error saying that it didn't find the PN53X board Didn't find PN53x board 0x40237dbc in…
Joaquin
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PN532 NFC - Returning more than 256 bytes from inDataExchange call to Android HCE

Reading the last paragraph of the following it looks like there is a way to send large blocks of data in response to an NFC issuing an inDataExchange call by breaking it up into small chunks: 3.3.7.4 Transfer of large amount of data Chaining…
Tommy Robinson
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PN532 + UART connection direct to Android phone without Arduino Uno or Raspbery Pi

I'm trying to use PN532 for nfc to read/write Mifare tags. i want to connect Pn532 to Android phone via otg. and from Android application i want to control by PN532. so I want to know how to communicate / integrate Android with this board without…
niteshnahar
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Problem with detecting badge with PN532 and Raspberry Pi

I have been trying to detect an tag using the PN532 module that I bought from amazon here: https://www.amazon.ca/ASHATA-Controller-Raspberry-Interface-Switching/dp/B07XFNDHNS I followed the tutorial…
Jeff Boker
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Problems reading NDEF message in Python from a PN532 module connected to a Raspberry Pi (UART mode)

I have a PN532 connected via UART to a Raspberry Pi 3B. In a Python script (V3.7.4) I activate the reader and read in the data form a tag. If there is a NDEF message, I read the tag's data and return the NDEF records in a dictionary. All this is…
ab3d
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CRC error from PN532 NFC board when sending GetInitiatorCommand (0x88) instruction

I am using an Adafruit PN532 breakout board to emulate an NTAG213 ISO/IEC 14443-2 tag. I have configured the board for emulation with TgInitAsTarget as follows: [ 0x8C, 0x01, 0x44, 0x00, 0x7B, 0x58, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,…
Opsimath
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PN532 Module Not Working in SPI Mode with Arduino UNO

I am attempting to make the PN532 module work with Arduino UNO. I have made multiple attempts to get it functioning in all three modes, but the module only activates the light in SPI mode. Therefore, I have tried to make it work specifically in this…
Sebastián
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Read written text from NFC with the PN532 Hat and displaying it in python?

I'm trying to extract a short line of text written on an NFC tag. The Waveshare examples only show the UID of the tag as far as I know, so my question is: Is it even possible to read texts/urls/etc. from nfc tags using Python, or not? If so, would…
Vincent Holthaus
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Is there any memory limit for NFC card emulation?

I want to send information from an Arduino to a phone via NFC. To do this I have a PN532 module. The way I want to send information is to use the module to emulate an NFC tag and read the message from the phone. The reason I don’t want to use a real…
Diego Marvid
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PN532 emulated card not read by an iphone but can with Android

I am using the PN532 as an emulator using the emulate_tag_ndef.ino example from arduino. I updated the emulate library according to another post (PN532 emulated card not read by an Android phone) to make it work, but it only works with Android. With…
Eftychia Antoniou
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NFC Peer-to-peer between two PN532s using Python

I am trying to setup a P2P network with two PN532 v3 chips. They are connected to respective Raspberry Pi 4Bs via I2C. I just need to be able to detect, send and receive data between them. Most libraries either don't support I2C or P2P. Some have…
Lewis O
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Getting Phone Number from PN532 NFC

I am using a raspberry pi hooked up to an PN532 NFC to print out the following information from an Android phone. I was wondering if there is any way to also obtain the phone's number using NFC? I am getting the impression that NFC does not allow…
Jeff Boker
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"No such file error" when importing PN532Interface.h

I am trying to get the NFC shield working using SPI communication. I did follow all the instructions exactly as explained in Seeed Wiki - NFC Shield Setup. Here is the code I tried: #include #include PN532_SPI…
Johann
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PN532 V3 + Arduino UNO + libnfc error (ERROR: Unable to open NFC device: pn532_uart:/dev/ttyUSB0:115200)

I am trying to use a PN532 (v3) board with an Arduino UNO and libnfc for my university project. One problem I have stumbled upon is that libnfc-1.7.1 gives me the following error when I invoke nfc-list: debug libnfc.general log_level is set to 3 …
XMadWeaselX
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arduino yun and rfid shield compatibility

I bought an arduino yun together with this board https://wiki.keyestudio.com/Ks0259_keyestudio_PN532_NFC/RFID_Controller_Shield reading some posts it seems that they are not compatible because of pinout (with uno no problem!), I have just small…
andymo
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