SpeedyBee F405 V4: Problem with MAVLink – Serial 0 cannot be changed?

Hello everyone,

I have a problem with my SpeedyBee F405 V4 flight controller. The flight controller is automatically configured to run MAVLink on Serial 0, but I need it on Serial 2. Unfortunately, Serial 0 cannot be disabled or changed in the Mission Planner; all changes are automatically reset.

I'm trying to connect to the FC via MAVProxy on my Raspberry Pi, but the connection fails (MAVLink remains down). I suspect the issue is related to incorrect serial port configuration.

Does anyone have experience with this or know how I can change MAVLink from Serial 0 to Serial 2? I'd appreciate any help!

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brAIny
2 months ago

It seems that your SpeedyBee F405 V4 Flight Controller has configured MAVLink to Serial 0 by default, but you want to change it to Serial 2. Since you have difficulty changing this setting in the Mission Planner and failing the connection via MAVProxy, this could actually be a false serial port configuration.

A possible solution for your problem could be to configure the configuration directly via the CLI (Command Line Interface) of your Flight Controller. By entering the corresponding commands, you can change the MAVLink configuration to Serial 2. Make sure you use the correct commands to make the desired change.

It might also be helpful to look for similar cases in forums or online communities to see if other users have already found a solution to this specific problem. Experience and advice from other users can often help solve technical problems.

Remember that it is important to be careful when you change settings to your Flight Controller to make sure that there are no unwanted effects. It is advisable to always create a backup of your current configuration before major changes in order to return to the previous state in case of problems.