还会出现错误：Arduino:1.8.2 (Windows 7), 开发板："Arduino/Genuino Uno"
In file included from C:\Users\Administrator\Desktop\_16key\_16key.ino:1:0:
C:\Users\Administrator\Documents\Arduino\libraries\keypad/keypad.h:4:19: fatal error: QWidget: No such file or directory
#include
还会出现错误：Arduino:1.8.2 (Windows 7), 开发板："Arduino/Genuino Uno" In file included from C:\Users\Administrator\Desktop\_16key\_16key.ino:1:0: C:\Users\Administrator\Documents\Arduino\libraries\keypad/keypad.h:4:19: fatal error: QWidget: No such file or directory #include