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Questions tagged [acr122]

The ACS ACR122U NFC Reader is a PC-linked contactless smart card reader/writer developed based on the 13.56 MHz Contactless (RFID) Technology.

0 votes
0 answers
15 views

C# NFC-Project with PCSC Library - An error has occurred: An attempt was made to end a non-existent transaction

I have integrated the pcsc library to work with an nfc scanner (ACR122U ISO14443A/B ). I am trying to read the data from the NFC tag, but I get this error: An error has occurred: An attempt was made ...
user26316631's user avatar
0 votes
0 answers
43 views

CT_init failing with error -8 when using CT-API library for smart card reader communication ACR122U

OS: Windows API: LINK from verion 1.0.1.1 Description: I'm developing an application in C++ that interacts with a smart card reader using the CT-API library. However, I'm encountering an issue where ...
gpuguy's user avatar
  • 4,605
0 votes
0 answers
10 views

Reading Mifare Classic python ACR122U [duplicate]

I have an ACR122U reader, which says to support Mifare Classic. I'm using nfcpy for the communication with the reader, and while I can read the tag id, I can't manage to read any data from it. When I ...
CallMeAlien's user avatar
0 votes
1 answer
263 views

How do I read the UID of a tag (e.g. Mifare Classic) using the ACR122U Reader and PCSC library in VB.net

Right so I have the following code that works fine using the PCSC-sharp Iso7816 Library: Imports PCSC Imports PCSC.Iso7816 Imports PCSC.Utils Imports System Public Class TapMembershipCard Dim ...
Jake Wynn's user avatar
0 votes
1 answer
337 views

No NFC Device detected

I have trouble using my "uTrust 4701 F Dual Interface Reader" because is not recognized as NFC device while trying to read from Mifare Classic. I installed "libnfc" library from ...
Ciro Vitulazio's user avatar
1 vote
0 answers
290 views

Authenticate NTAG215 with ACR122U

I have an ACR122U reader and several NTAG215 cards,and then I use C#、PCSC sharp to develop it. I want to set a password and authenticate it,I think the default key is "00 00 00 00" or "...
Han's user avatar
  • 11
0 votes
0 answers
160 views

How HCE work with acr 122u nfc reader, When I am trying to work with below example code It is working like reader in android and ios

The code below is working when I emulate from android and iphone acts as a reader but not working with acr 122u usb nfc reader Here I am posting the work around, any suggestions or source code would ...
Padmaja Rani's user avatar
1 vote
1 answer
373 views

Trouble writing NDEF record to NTAG213 using external NFC reader (but writing to memory works)

I am using the sample provided by Michael Roland in this answer and modified the bytes command structure to match this answer. After I scan the tag, I receive 90 00 responses from the reader. When I ...
policenauts's user avatar
1 vote
1 answer
779 views

Write password to Ntag213 using python and acr122u

I'm trying to write some data into a NFC using the acr 122u card reader. So far, I'm able to do it. My problem is that I need to also make the NFC password protected. I can add the password using a ...
Paulo Barbosa's user avatar
0 votes
0 answers
417 views

Get UID tag in WebUSB in node - Reader ACR122u

I am building a node application, which should read information from an NFC reader connected through USB. I´m able to power up the device, I can read ATR, but unable to read UID of a card, when the ...
Jarda Hrbacek's user avatar
1 vote
0 answers
2k views

How to read NFC tag data with raspberry pi and ACR122U

I'm working on a python project that requires reading data from NFC tags- specifically URLs. I purchased a USB NFC reader and am using the libnfc library. I have my raspberry pi recognizing the reader ...
llllbbbbllll's user avatar
0 votes
1 answer
818 views

ACR122U Reading Chip card UID status

I use an NFC reader / writer ACR122U Creating program in c # with ACR122u and WINSCARD.DLL and this library https://github.com/h4kbas/nfc-reader I would need to know if it is possible for the reader ...
Dominik Ganger Klodner's user avatar
0 votes
1 answer
273 views

ASC 122U NFC Reader compatible with EMV Contactless Cards

I am trying to read a EMV card using an APDU Command, however it seems the ACR122U external reader is blocking the APDU Command. Select Command: APDU-C -> 00 A4 04 00 0E 32 50 41 59 2E 53 59 53 2E ...
Blackbox First's user avatar
0 votes
3 answers
310 views

How to Parse received Hex bytes into readable string

As the title says, I've been working on MiFare Classic reading a card. I'm using the MiFare v1.1.3 Library from NuGet and it returns a byte array, which I parse to readable Hex strings, by looping ...
JayzeeNSI's user avatar
0 votes
1 answer
829 views

NFC - Android device can't read Type 4 NDEF tag content emulated from ACR122U (PN532)

I'm writing C# application to emulate NFC tag via ACR122U, which uses PN532 internally. I want Android to read simple URI NDEF Tag. I'm able to communicate with Android using NFC Forum Type 4 Tag ...
Jerzy Stanislawski's user avatar

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