I am new to ardupilot so forgive me if this was asked and answered before, I am just looking to confirm that PixHawk 4 will work with the CP drones (same as with http://ardupilot.org/copter/docs/heliquads.html), I am doing literally the same thing. But before I purchase the pixhawk, I want to make sure I get the right one as its a little confusing what works with copter and what doesnt. I am also trying to avoid buying an older pixhawk that may be incompatible with CP drones. I also asked this in the adrupilot forum but no response yet (yesterday) so I figured it was opened in the wrong forum location (so forgive the double post).
I plan to buy this one off ebay:
Pixhawk PX4 Flight Controller Autopilot PIX 2.4.8 32Bit 8GB SD Card+I2C Splitter
As long as this is confirmed working, I will order today, so thank you in advance!!