Compilation fails: "undefined reference to loop'"

Projects Programming
1

C:\Users\quoct\AppData\Local\Temp\ccxlN7DR.ltrans0.ltrans.o: In function main': C:\Users\quoct\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino/main.cpp:46: undefined reference to loop'
collect2.exe: error: ld returned 1 exit status

exit status 1

Compilation error: exit status 1

2

@trung009

It looks like your sketch is missing the loop() function. Does the same thing happen when you compile e.g. the blink example?

3

You forgot to include your sketch. When you do so, please remember to properly format it with the <CODE/> tool.

4

thank you for your help!

5

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