Is it possible to use Adafruit PN532 NFC Shield to emulate t

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Arcorme
 
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Is it possible to use Adafruit PN532 NFC Shield to emulate t

Post by Arcorme »

Hello,

I plugged the Adafruit PN532 NFC Shield on an Arduino uno and communicate using I2C.
I managed to use examples you provided (https://github.com/adafruit/Adafruit-PN532) which works great.

But then I tried to use examples from SeedStudio (https://github.com/Seeed-Studio/PN532), which works great two except for the tag emulation part.
Using the tag emulation code everything works great until I try to use a phone to read the emulated tag, no errors but nothing happening.

I saw old posts on this forum about a "secure element" for tag emulation, is it still necessary ?
If so, is it impossible to emulate card just by having your Adafruit PN532 NFC Shield and a arduino uno ?

Thank you,

Arcorme

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adafruit2
 
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Re: Is it possible to use Adafruit PN532 NFC Shield to emula

Post by adafruit2 »

the PN532 does not have tag emulation support without the secure element, which we don't have and is nearly impossible to get

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Arcorme
 
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Re: Is it possible to use Adafruit PN532 NFC Shield to emula

Post by Arcorme »

Hello, thank you for your answer.

Unfortunately I haven't got the PN532 shield anymore to make more tests but from the information I found it is possible to emulate tag with the PN532 using SPI (https://github.com/Seeed-Studio/PN532/issues/24).

There is indeed a limitation if you haven't got the 'secure element', you can't change some bytes of the emulated tag but it allows you to emulate URL opening and so on.

The example given by seed studio for tag emulation shows those points with a PN532 (https://github.com/Seeed-Studio/PN532).

I hope I will be able to borrow again a Adafruit PN532 shield to test it ....

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