Hello, I can't upload the code to my Arduino Nano, the IDE gets stuck when saying "uploading" or "sending" the code to the Nano, the only warning I get is this one: D:\Users\abelt\Documents\Arduino\NanoChargerOff_V2\NanoChargerOff_V2.ino:13:0: warning: "B1" redefined #define B1 13 //Corresponde…

" warning: "B1" redefined" can't upload code to Nano

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