Im trying read data from NFC tag using MFRC522. I can read ID, SAK, ATQA ,ATS, but im not understand how read blocks data from tag and file JSON.interested in a simple sequence of commands performing a given task. I have NFC type 4A Mifare plus.Reading ID is performed using functions Anticollision and Select.
Im not understand how read JSON file from NFC tag using MFRC522
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According to the Mifare Plus datasheet just
Transceiveas you would do a a Mifare Classic 1/4K whose datasheet Section 12 saysTransceive30h00hto read block 0As you don't specify how you are connecting to the MFRC522 and with what language, but you can read the ID, etc you must be familiar in sending commands like
Transceiveto it and getting data back.How a JSON file is stored in the blocks is specific to your implementation (though it could be a propriety encoding of NDef only you will know by looking at it)