? Does this controller have a previous firmware loaded.
If so then you should be able to see if the controller is communicating.
Arduino IDE 1.8.7 is telling you that it can not find the Controller PCB Com Port.
Try Plugging in the Controller wait a few seconds.
Selecting the Tools menu Tab (Click)
Select Port menu (Click)
Then select the new Com Port (Click)
After
Selecting the Tools menu Tab (Click)
Select Serial Monitor (Click)
You should see the controller sending data.
If so then you should be able to see if the controller is communicating.
Arduino IDE 1.8.7 is telling you that it can not find the Controller PCB Com Port.
Try Plugging in the Controller wait a few seconds.
Selecting the Tools menu Tab (Click)
Select Port menu (Click)
Then select the new Com Port (Click)
After
Selecting the Tools menu Tab (Click)
Select Serial Monitor (Click)
You should see the controller sending data.