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How to display UID of changeable mifare 1K in an HTML text input with ACR122U USB NFC Reader

Question asked by Meliq Pilosyan on Aug 23, 2016

Hello NXP comunity


We are about to launch our city pass service designed to work with NFC chargeable mifare cards. As a first step we need to display the UID of the card in an HTML text input.

I have surfed the internet for working software solution however couldn't find any.


Maybe someone could indicate the right one for this purpose or tell me how to do that without using NFC STK directly.


We are using mifare UID chargeable 1K cards with ACR122U USB NFC Reader. The platform developed with Ruby on Rails framework(in case if it matters).


We'll appreciate for any helpful information.