برنامه کامپایل نمیشه و خطای زیر رو میده چرا؟؟؟
Arduino: 1.6.12 (Windows 10), Board: "Arduino/Genuino Mega or Mega 2560, ATmega2560 (Mega 2560)"

C:\Users\ATC\AppData\Local\Temp\arduino_modified_s ketch_377262\sketch_oct12a.ino:2:26: fatal error: Adafruit_GFX.h: No such file or directory

#include <Adafruit_GFX.h>

^

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Mega or Mega 2560.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.