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Can’t connect to betaflight

Squiggle

Well-Known Member
Joined
Feb 16, 2018
Messages
92
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Age
44
#1
Hey everyone, I just finished building my drone & I’m trying to connect to betaflight & it keeps saying “failed to open serial port”. I have no idea what I’m doing with betaflight so I’m not sure how to fix this. Thanks in advance for any help & suggestions.
 

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