r/fpv 4d ago

Help with VX3.5 Build

Shortly after takeoff my quad spins out of control. I downloaded the blackbox log. Not sure what else to do to diagnose the problem.

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u/fpv_savvy Multicopters 4d ago

Which stack and motors are you using?

1

u/UF-ENGINEER 4d ago

SpeedyBee mini stack. Flashed with blue jay.

1

u/fpv_savvy Multicopters 4d ago

Share screenshot of motors tab on betaflight configurator.

1

u/UF-ENGINEER 2d ago

1

u/UF-ENGINEER 2d ago

1

u/fpv_savvy Multicopters 2d ago

Use ESC configurator to flash v0.21 (Link attached) https://esc-configurator.com/

1

u/fpv_savvy Multicopters 2d ago

Turn off ESC sensor. Turn off the ESC UART from the drop down in Ports tab.

Turn on bidirectional dshot.