This is a very common problem. See my answer my answer to Arduino Micro just blinks, won't connect to PC Arduino Micro just blinks, won't connect to PC.
As Asenkhan says in his answer his answer, it is often caused by attempting to upload to a Pro Micro using the wrong board setting 3.3 V en lieu of 5V, or vice versa.
I have written two lengthy blogs about the whole experience:
This is a very common problem. See my answer to Arduino Micro just blinks, won't connect to PC.
As Asenkhan says in his answer, it is often caused by attempting to upload to a Pro Micro using the wrong board setting 3.3 V en lieu of 5V, or vice versa.
I have written two lengthy blogs about the whole experience:
This is a very common problem. See my answer to Arduino Micro just blinks, won't connect to PC.
As Asenkhan says in his answer, it is often caused by attempting to upload to a Pro Micro using the wrong board setting 3.3 V en lieu of 5V, or vice versa.
I have written two lengthy blogs about the whole experience:
This is a very common problem. See my answer to Arduino Micro just blinks, won't connect to PC.
As Asenkhan says in his answer, it is often caused by attempting to upload to a Pro Micro using the wrong board setting 3.3 V en lieu of 5V, or vice versa.
I have written two lengthy blogs about the whole experience: