Questions tagged as 'nfc'

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How to record information using the MFRC522 in arduino?

I'm using an MRFC522 module to use arduino with NFC, so I can read the UID of the tag normally. But when I try to write something in the memory blocks it appears: PCD Authentication () failed: Timeout in communication. Theoretically the cards co...
asked by 31.08.2018 / 23:17