Collect2.exe...help me

Arduino:1.8.15 (Windows 10), Scheda:"Arduino Uno"

C:\Users\rosar\AppData\Local\Temp\cctPbB6e.ltrans0.ltrans.o: In function `main':

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/main.cpp:46: undefined reference to `loop'

collect2.exe: error: ld returned 1 exit status

exit status 1

Errore durante la compilazione per la scheda Arduino Uno.

Cosa fare??

You don't have a loop() function in the code you didn't post

where is the code?

@haliaeetus, your topic has been moved to a more suitable location on the forum.

Please take some time to read How to get the best out of this forum so you can properly pist using so-called code tags.

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