Which pixhawk should ı use for mavlink

I wrote my own autonomous mission algorithms using Pixhawk 4 but I need to control more servos and Pixhawk is broken I need to buy a new card. Does Pixhawk 6x work without any problems or is there a problem?, What do you suggest?

If servo outputs on board not enough you can use pca9685 servo driver.

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Thank you for the information, what do you think about pixhawk 6x, does it work with mavlink without any problems?

Not sure what you mean with “does it work with mavlink” but if something worked with Pixhawk 4 it should work with Pixhawk 6C or 6X as well. It’s just that the STM32 is an H7 instead of the M7, so it’s quite a bit more powerful.

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I mean will my Pixhawk 4 codes work on Pixhawk 6x? Is there any chronic or encoding issue on Pixhawk 6x? I am wondering this because I can’t get these cards easily and when there is an issue it is hard to switch to a new card.

As I understand there is a companion computer and you have some algorithms working on it and communicating with pixhawk board with mavlink?
If this is true switching to another board not cause a big change.
If your application working directly on pixhawk board again changing the board will no effect anything.

Actually in general there is no strict relation with hardware. You can use any board in worst case you can solve the compatibility problem with minor changes.

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If you’re considering the Pixhawk 6X for MAVLink, it’s important to check its compatibility with your current setup. Although PX4 firmware typically supports various Pixhawk models, differences in hardware or connectors might affect integration. Review the Pixhawk 6X documentation for pinout and firmware details to ensure it meets your needs.

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