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Topic: MFRC531 (Read 323 times) previous topic - next topic

maksostrong

Hi, hope you guys can help me. Currently, I am doing a project which about a tracking system using MFRC531 and Arduino. I have followed the connection stated in the datasheet. Then I tried to use the mfrc522 library to work on MFRC531, but in my serial monitor, it shows warning as below.


Firmware version : 0x0 = (unknown)
WARNING: Commnuication failure, is the MFRC522 properly connected?
Scan PICC to see UID, SAK, type, and data blocks.....

spycatcher2k

MFRC522 is not a MFRC531. So no wonder it won't work.
Mrs Drew
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maksostrong

So how do I make it work?

PaulS

Quote
So how do I make it work?
Use the right library. If one doesn't exist, write one.
The art of getting good answers lies in asking good questions.

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