اینم از متن ارری که میده دوست عزیز
آردئینو:1.6.9 (Windows 7), برد:"Arduino/Genuino Uno"

C:\Users\MAHTAB\Documents\Arduino\sketch_aug10\ske tch_aug10.ino:9:24: fatal error: LedControl.h: No such file or directory

#include "LedControl.h"

^

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

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