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how to authenticate - Ntag213 + PN532, use I2C communcation between MCU and PN532

Question asked by TSUNPIN YEN on Feb 8, 2017
Latest reply on Feb 20, 2017 by Jorge_Gonzalez


I use I2C communcation to control PN532, Now I need to authenticate the PWD in Ntag213.

I send the command [InDataExchange] : D4  40 01 1B  XX XX XX XX DCS 00 , but PN532 send back error frame.

Can any other way to send PWD_AUTH Command to Ntag213?