Hi everyone, This is my first time working with Arduino, and I'm encountering a problem with a school project. I successfully uploaded the code I wrote to my Arduino Uno R3, but it doesn't function. Interestingly, when I remove the MFRC522 library, the Arduino works perfectly. This leads me to beli…

The code uploaded successfuly but it doesn't work

xfpd March 22, 2024, 4:20pm 5

Put it back to original.

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