How To] Prepare or Fix Linux USB Serial for ButterFlight, BetaFlight, CleanFlight - YouTube
All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC
no usb option in cleanflight : r/Multicopter
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Failed to open serial port
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