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Feather LoRA 868 COM Port issue
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Feather LoRA 868 COM Port issue

by patmolloy on Wed Jun 12, 2019 11:02 am

I'm running an OTAA test sketch on this feather. It compiles fine, and if I hit the reset button on the board at the right time, it is clearly being successfully uploaded to the board. However, once the upload is complete, the COM port disappears and I get "Board at COM9 is not available" in the Arduino IDE and see "Unknown USB Device (Device Descriptor Request Failed)" in the device manager. So I cannot run the serial monitor to see what is going on (I am not getting the OTAA join request I am expecting).

Does anyone have any pointers?

Thanks!

Pat
patmolloy
 
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Re: Feather LoRA 868 COM Port issue

by patmolloy on Wed Jun 12, 2019 11:09 am

Incidentally, double pressing the reset button does cause the COM9 port to appear and the red led to pulse, but after about 10 seconds I get the chime from windows ,, the led stops pulsing, the COM9 port is gone and the Unknown USB Device is back again ...
patmolloy
 
Posts: 2
Joined: Tue Mar 04, 2014 5:30 am

Please be positive and constructive with your questions and comments.