ACR 122 USB NFC Reader Utils

Utility for the ACR 122U NFC Reader. Reads and/or sets various reader settings.

Utility for the ACR 122U NFC Reader. Reads and/or sets various reader settings:

- firmware

- tag polling configuration

- tag response timeout

- buzzer

Connect the reader via an On-The-Go USB Cable (OTG-USB).

See also the External NFC Reader Service app.

Get in touch if you require professional help with use of ACR readers on Android, or if you have feature requests.