Search code examples
arduinorfid

RC 522 RFID Error arduino

I am using the https://github.com/miguelbalboa/rfid library to connect my Arduino mega to a RFID RC522 but I am having no luck.

MFRC522 Software Version: 0x0 (unknown) WARNING: Communication failure, is the MFRC522 properly connected? Scan PICC to see UID, type, and data blocks...

I have connected all the pins according to the document. Any ideas what I could have done wrong.

Solution

  • I didnt set the pins correctly