I wrote a control program for a weaving loom about three years ago. Now I want to make some changes to the original .ino. I upgraded to the latest IDE. Now the compiler aborts with the following error. What exactly is missing??
In file included from C:\Users\Larry\Desktop\E4dobby\E4dobby.ino:7:0:
C:\Users\Larry\Documents\Arduino\libraries\Adafruit_GFX_Library/Adafruit_GFX.h:12:10: fatal error: Adafruit_I2CDevice.h: No such file or directory
#include <Adafruit_I2CDevice.h>
^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
exit status 1
Compilation error: exit status 1