Caf Mfrc

[Kizzy Burnworth]

Alrightso despite many vids and tutorials on the internet , I can't just make my RFID module work. When I run the "dump info" program, the mfrc-522 doesn't read my MiFare 13.56MHz card and keychain. When I run the code, I get this everytime on serial monitor:

I also tried with other mfrc-522 libraries out there but still got the exact same thing.I also tried with reset pin as 5 and 9 (obviously changing the code accordingly ) . I have the exact same connections as mentioned in the beginning of the dump info code.

They sound OK assuming that the clone board really matches a Uno and that you have got it wired as you describe. I have a no name RFID card using those pins on a genuine Uno and it works fine. Have you tried using the equivalent pins on the ICSP header ? See Uno pinout

UKHeliBob:

They sound OK assuming that the clone board really matches a Uno and that you have got it wired as you describe. I have a no name RFID card using those pins on a genuine Uno and it works fine. Have you tried using the equivalent pins on the ICSP header ? See Uno pinout

yeah pretty sure about the connections and the board.....cuz I tried working with this module and the same arduino a while ago and it worked perfectly...but now, I can't just come up with the same result using the same arduino and same module...don't remember if I did anything special the last time

However, I am afraid that MAYBE the first time I used the module , I may have tried the 5V .I would have got the expected results that time but due to 5V it may have fried my module and this time its not working...

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