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Magnetometer not stable

I received a magnetometer last month and soldered it to my IMU instead using a cable. I've calibrated it until the offsets stopped changing but every time I fly it I get a twitching left and right. Sometimes even a 180° turn and I will have to turn i

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yet another motor arming frustration

I am trying to arm my motors using the standard left stick (throttle) move to the bottom and right. Nothing happens.

 

Configured arducopter using CLI running on a winxp machine.

 

Calibrated the esc without problem. Transmitter is communicating properly

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Helicopter Stability

I have just finished building my HK 450 GT Pro. It is VERY difficult to hover!

How unstable are helis supposed to be without stability software?

The micro twin rotor cheepies seem so stable compared to the Cyclic 400 size.

Should a well setup heli be ab

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Another Issue

After all the efforts and the wonderfull help from Chris and Alex we got the simulation and everything working last night. Today a new issue arised. When trying to read or write waypoints to the APM I get the following message in APM Mission Planner

 

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Looking for log files

Hi,

 

I'm looking for log files of different setup. I'm doing a project in a control system class where I'm analysind the behaviour of the airplane to model it.

 

I mostly need the *.log file from the APM Planner, but you can also post you kml and kmz fi

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AC parts availability

Hello All,

 

Had a pretty massive crash the other day.  I'm looking for three things, and I'm in the US.

 

The 28cm full-hole arms, a purple motor, and a motor mount or two.

 

I've been fishing around and e-mailing a few people, and I can't seem to get an

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BEC/ESC

Hi all,I have a hobby zone super cub, one of the newer BNF versions with real 3 wire servos. I replaced the combined esc/receiver with a turnigy 30A one and a spetkrum 6 channel rec. With ardupilot mega 2.012 installed it works well. However, when I

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PID settings in position hold

Hi

By now I got my quadcopter flying very nice in stable mode.
I want to process now to the altitude and position hold mode and would like to know a bit more about the PID settings.

Are the PID values for position hold close to the ones for stable mode?

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Problem with IMU

I've tried all the available versions of the code and the roll is always inverted. When I turn right, for exemple, the log file and the ground station show that I'm turning left.

 

Is there a special configuration I have to do to invert the roll?

 

Note

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MAGCALIBRATION help

the instructions in the .pde for magcalibration have me a bit confused.it gives the following example in the pde comments---Example: Magnetic north calibration show -1.2 degrees offset and declination(true north) is -5.6 then the MAGCALIBRATION shoul

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digital pins

3690865127?profile=originalI would like to know is the 40 digital pins from the Black, Purple and Yellow boxes ?

 

And I would like to know is the following two ports use in controlling UAV and what is the uses of this two ports ?

- ATMega 1280 (SPI/ISP port)

- PPM encoder (SPI/IS

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WayPoints Failing to Load

Hi all,

 

I am attempting to plan an ArduPilot mission and am having some difficulty. What I have done is first I select and write waypoints to my ArduPilot Board (328 Red Board) using the Config Utility Software program. After this I open up the LabVI

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APM restarts on the bench

After a while, I am trying to get my APM´s running. Sometimes the APM´s restart by themselfe. I bought a really good and strong ESC, so power should not be a problem.What I can say, is that when I test the stabilization mode on the bench (rotating th

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HK GCS and Wireless links

I had hoped to be able to use a 433MHz module by Low Power Radio Solutions as my link between the HKGCS and my Ardupilot Mega. Initially the modules seemed to work well but when I tried it with version 2.012 the link was very unreliable. I am running

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