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Hi, I've had just fine results with the onboard apm 2.5 compass. The various online arguments against using it seem to make sense and I would like the whole setup to be as accurate as possible so I'm giving it another shot. When the compass is plugged in to the i2c port, the direction changes...

hi, I got my previous pair of 3dr radios working quickly and easily, these ones which I'm trying to use on my new build/new apm with current firmware via usb don't want to talk to mission planner. I know that I'm using the right drivers and com port, I have the usb connection unplugged. I've...

Hi, I'm having a friend make some layout changes to a few of the 3drobotics open source schematics and I've come across a few issues highlighted in these images. 1.the APM has a couple of unspecified traces, where should they lead? 2.not positive what he is calling "connectors leds", should...

I've been flying my naza and I'm very happy with it so far, I've just had one issue. I did have an error on set up, pmu err or voltage low I think. Like other people stated when searching threads, it went away after updating/calibrating. The issue is that the VU unit wont power anything and...

The gps sits on that aluminum post when the body is installed. Seems like I followed their physical layout requirements as per the documentation. Setup: avroto 2814 4s 4200 35C 10X5 graupner first crash, second gemfan carbon 11X4.7 SF exceed proton, plush re brand 30A, atmel, stock f/w frsky...