Hi,
I currently have some messages encoded in NDEF format on some NFC tags, and I was wondering if there were libraries that would support measuring the strength of the magnetic field of the NFC tag? Maybe get numeric answer to how well the transmission of data is from the nfc tag to the reader. As my current setup is just , "can you read the message on the NFC tag at a certain distance?".
I'm currently using a D1 mini connected to a RC522 NFC reader.
Thanks,
I believe that information has to come from the RC522 NF reader. Based on RC522 and Arduino R3. RC522 does not have the capability to read signal strength. In this case, the code changes antenna gain to detect whether it can read the tag or not. It can only read 7 levels of signal strength and which is enough for a basic demonstration. This information came from: https://data.mendeley.com/datasets/n6gn3k4dkn/1 I hope this helps, I have not used the device.
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