On Ubuntu 18.04.5 LTS. I am able to successfully do hardware test for CH340C https://learn.sparkfun.com/tutorials/sp … dware-test . I see the device listed anil@anil-laptop:~$ lsusb Bus 001 Device 009: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter anil@anil-laptop:~$ ls /dev/ttyUSB* /d…

Unable to program Sparkfun Edge board Com Port not found

fabijan July 26, 2021, 6:49am 2

I had the same issue with ubuntu. I was unable to find a solution to the problem. If possible, you can use a windows system, it is not my favourite OS but at least it worked.

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Unable to program Sparkfun Edge board Com Port not found

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