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Peer to peer nfc possible? Field strength available?

We're building small robots/toys that work with each other.

Would it be possible to use the nfct on two devices with nRF52840 to communicate between each other?

Also is there any way to get information about field strength?

Of course this is not standard usage of nfc but if possible it would be nice to have some peer to peer detection at least, then near field ranging even better, then full communications best.

Any ideas appreciated, thanks!

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  • huh... thanks for the quick responses btw. I'm reading in the nRF52840 product spec, on page 475...

    "41.1 Overview The NFCT peripheral contains a 13.56 MHz AM receiver and a 13.56 MHz load modulator with 106 kbps data rate as defined by the NFC Forum."

    And there's all sorts of talk about transmitting, not just receiving. Are we talking about the same chip or am I missing something else?

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