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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.

The ACS ACR122U NFC Reader is a PC-linked contactless smart card reader/writer developed based on the 13.56 MHz Contactless (RFID) Technology. Compliant with the ISO/IEC18092 standard for Near Field Communication (NFC), it supports not only Mifare® and ISO 14443 A and B cards but also all four types of NFC tags.

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./configure pcsc_cflags when trying to install acs driver for ACR122U in opensuse

I'm trying to use the ACR-122U NFC reader and I started with a clean install of Opensuse. I grabbed the c/c++ pattern packages and verified i had pcsclite 1.8.3 or above libusb 1.0.8 or above flex perl pkg-config which is called out in the Readme…
Dominik Eyerly
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ACR122U Answer D5 41 13 90 00 to mifare's read command

I have problem with use direct command for mifare 1k via ACR122U. I use original SDK for Windows (including for delphi), and I sent these commands in one session: FF 00 00 00 means pseudo-apdu. It is used to send direct commands to tag or to device…
ATH0
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Writing and reading nfc cards in ndef message in windows form application

I don't know if this is possible because I have been searching for hours with no leads. I want to make a C# program on desktop that is connected to the ACR122u reader. I want to be able to read and store the NDEF message value as a string for…
Nikitha
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Android 4.4.2 not recieving SELECT container without enableReaderMode

My Galaxy 5 has strange behaviour when i'm emulate a card on the ACR122U. I think the problem occured when i ran an Android update. When the application isn't on the foreground my intent filters doesn't catch the tag anymore because the emulated tag…
S.Pols
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NFC with ACR122U and Android

http://www.acs.com.hk/en/products/3/acr122u-usb-nfc-reader/ I'm using the Android library linked above, and I'm trying to read/write NFC tags. The tags will have a format I know of (probably something like JSON). I am able to run the example app and…
Joey Calawalaloo
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ACR122u direct communication no response

I'm trying to access my ACR122u with java by sending direct command. The weird thing is i don't get any response and no errors.. This is my code: final static int IOCTL_SMARTCARD_ACR122_ESCAPE_COMMAND = 0x003136B0; ..... List …
S.Pols
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Get this error when the card reader connect to my Host Card Emulation Service

I write the Host-Based Card Emulation(HCE) Application to do the mobile payment on my smartphone. I also use nfc-tools library to help me in coding both app on my phone and the reader. When I try to run the code on those 2 devices,both of them can…
dextermore
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Transfer data to PC from android device via NFC

I am trying to develop an Android application for a hospital. In this system there is a need to get the patient information stored in the database in the android phone into the desktop computer using NFC technology. Is there anyway where I could use…
Marlon Fernando
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NFC ACR122 TgInitAsTarget, initiator releasing target

I'm trying to get my ACR122 (usb) device to emulate a passive NFC tag, but am having difficulty getting the communication to occur properly. I'm hoping someone can see what I'm doing wrong here and help point me in the correct direction. The…
codinginthevoid
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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 "FF FF FF FF",and PACK is "00 00". So I changed the AUTH0 from…
Han
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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 then scan the tag using NFC Tools though, I don't…
policenauts
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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 phone app like nfctools, but I need this process to…
Paulo Barbosa
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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 and tags properly, and it correctly identifies…
llllbbbbllll
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Authentication to ACR1255U-J1 reader via bluetooth React Native or Android or example

Anyone can help me with a example about how to integrate it! from scratch!
AwayFromQueue
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How to check ATQA and SAK of Mifare DESFire smart cards

How to check ATQA and SAK of DESFire cards using ACR122U reader on windows? I know that reader perform REQA and WUPA during card initialization, but when I used, for example, nfctools i get only UID. On smartphone same application give that…
g00ffi
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