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UART2 and AC3

I've seen serial prints are discouraged in AC3, so I am wondering if there is any good way at all to talk to a simple RX/TX device over the unused UART2 on the APM2.5 without using MAVLink.

It's a small processor listening for serial transmission usin

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Apm 2.5 F450 frame issues

Hi All,

first post so be gentle with me. I have the apm 2.5 in the 3dr case on a genuine F450 frame with dji opto esc and dji 920kv motors. Now I have been learning the art of tuning and in stabilise mode in calm conditions it flies hands off, really

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Quad flips over on power up

Hey All, 

I have a FPV-Quad with DJI-OPTA 30amp ESC's and 3DR motors. This is all controlled with a APM2.6 Unit, with GPS and Telemetry. I am controling with a er9X controller with the added board for easy USB updating and programming. 

Issue:

On poweri

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Transmitter with More Channels

I am currently using the Spektrum DX7s and it has worked well for me using the APM 2.5 on my hexacopter.  All though, after setting up the transmitter for six modes for Arducopter and the pitch/tilt control on my camera, I am maxed on my channels.  N

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GPS and Dead Cat

Hi,

I just started to use Arducopter and had my first successful flights yesterday.  I set up my tgy 9x radio to include loiter, and return to home. Today I am rebuilding this quad to be a deadcat style.

What I am wondering is, is there anything I need

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