DYS BLHeli 40A Opto on Plane

Hello

I will use in a plane a DYS BLHeli 40A Opto. I've never used this type of ESC and I've seen a lot of discussion about it. Should I take some care? Any configuration tips?

Thank you!!

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Canon G9X and Pixhawk

Good evening! I would like to know if anyone has any solution to integrate the Canon G9X with Pixhawk, 
since there is still no reliable CHDK firmware. I see some adapted with a cable, but I did not find any 
diagram of this adaptation. Thank you all!

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