Arduino as acr1252u

Hello. Can anyone help: how to emulate nfc card reader acr1252u, need send card number.
i changed vid and pid in board.txt and PC get device as Advanced Card Systems, Ltd ACR1252 Dual Reader, but I don’t know how to send card number - like emulate user tap the card. please help, thanks

How do you plan to emulate it? What board are you using? Do you have detailed technical documentation for that reader? Are you entitled to do that (these readers are used for access control)?

You changed the VID and PID in boards.txt? What for? In which entry?

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