Non-gps navigation need help!

I have a DIY(ArduCopter 4.4.4) ready-to-fly 5inch with Pi3B+ sitting on it. :smiley:

Maybe I should switch H743 Rx/Tx/GND to H743 Rx/Tx/CTS/RTS/GND to speed up the communication between companion computer and flight control.

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Hi @lida2003,

That looks very nice a stable, well done!

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Recent 2.1.x and above is much better and covers more Companion computers. They just released 2.2.0, I have yet to try. Currently, I am still on 2.1.0.

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Hi @Jai.GAY,

OK, thanks for that update!