Windows putty unable to open serial port - Altarena.ru — технологии и ответы на вопросы
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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
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Windows putty unable to open serial port - Altarena.ru — технологии и ответы на вопросы