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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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ACR122u card-emulation mode send PN532 commands

I just read this answer about how to put my ACR122U in card-emulation mode. I do understand the purpose but how do you need to send the commands to the ACR122u. As far as I know FF000000 means: FF [Class] 00 [INS] 00 [P1] 00 [P2] I just can't…
S.Pols
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NFC Reader : ACR122U-A9 not holding tags

The SDK provided along with NFC reader does not work and we are not able to write data / tag using the Tools available with SDK. The main issue is that the data written using another tool does not remain in the device for permanently. When tag is…
user2068153
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Could not get device ID for smart card in reader ACS ACR122 0

I've tried multiple different RFID tags and cards with Windows 10 64bit Pro, but I always get this error in the device events: Could not get device ID for smart card in reader ACS ACR122 0. Installed this driver: MSI Installer for PC/SC Driver…
fedu
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How can I write/define different IDs to Mifare Classic 1k cards so that I can read them with rdm6300 card reader

I'm using javaxsmartcardio at the moment but I don't know how this library works. I have an acr122u reader/writer and I only want to use it as writer so that I can write cards and read them on my RFID doorlock project with rdm6300 card reader. So…
Alihan Balcin
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Reading a NFC Mifare card raw data in android

I'm trying to read the content of a Mifare Ultralight card using the NFC contactless reader ACR122U Android SDK. I am able to get following hex values 01 03 A0 0C 44 03 15 D1 01 11 54 02 65 6E 33 34 But I am unable to get my actual data. Please…
AbdulRehman Daniyal
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