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ArduCopter User Group

Discussion group for ArduCopter users

Members: 2317
Latest Activity: 4 hours ago

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Auto mission bug or any other in Apm 3.1.5 firmware

Started by yuvraj. Last reply by yuvraj 4 hours ago. 2 Replies

I have a hexacopter I have make an so many RTL'S with the altitude of 5 in the flight plan it done perfectly when iam setting into the auto mission its not getting the required altitude which was 5…Continue

Tags: bug, mission, auto

vibrations on APM 2.6, probably a newbie problem

Started by Pritam Ghanghas. Last reply by Forrest Frantz yesterday. 15 Replies

HiI was trying to see vibrations on my quadcopter using log files. I tried to use mission planner to analyze logs, but all I see is flat lines for AccX, AccY, AccZ even at maximum zoom level. I have…Continue

Tags: analysis, vibrations

Unit of mag_field in log files

Started by Safwen. Last reply by Safwen yesterday. 2 Replies

Hi everyone, I would like to know what is the unit (dimension) of the mag_field (Y axis) displayed in the attached image?  Thank you,Safouan…Continue

Tags: mission_planner, apm, mag_field

Motors turn at uneven rate, APM, ESC or ...?

Started by Tõnis. Last reply by Tõnis on Wednesday. 5 Replies

Hey,Having problems with different rpm values on the motors even after the ESC's are calibrated and APM is  levelled. The problem first occurred after my last crash and at first I thought that the…Continue

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Comment by Helitrasher on October 14, 2012 at 5:56am

So has anybody managed to get the APM 2.5 working with Turnigy Trust esc's or do I need to return to the APM 1 ?

Comment by Todd Hill on October 8, 2012 at 9:56am

Thanks for your service Marty, and Welcome to the group!

Comment by Mike R. on October 8, 2012 at 9:52am

Welcome to the club Marty :)

Comment by Marty LaBelle on October 8, 2012 at 8:25am

I am officially joining this group, having received my first APM, and QuadCopter components a few days ago. I've been wanting to build one for years, now that I'm out of the Army and building my future career; I'm jumping in.

I've started finding my way around the forums and I have found even the most active contributors welcoming. This is not the case on other forums, and I appreciate it. Thanks!

Comment by Zachary Koh on September 27, 2012 at 5:00am

@Jani Sorry for the lack of description. I meant to change the "stabilized" pitch angle (such that the quad would be "stabilizing" towards a vertical position rather than horizontal).

Eg:
Regular quad position while hovering in stabilize:

+-----===-----+

New position that the "stabilize" function will try to achieve:

+
|

|

||

||

|

|
+


JDrones
Comment by Jani Hirvinen on September 27, 2012 at 4:39am

@Zachary, can you explain a bit more what you plan to do and on which axis

Comment by Zachary Koh on September 27, 2012 at 2:52am

I'm trying to change the "reference" for the stabilize function from eg: 90deg to 180deg.

Can anyone proficient in understanding the ArduCopter program point me to where I should be looking?
Your help would be much appreciated.

Comment by Zachary Koh on September 26, 2012 at 4:33am

@Marooned

Hmm. Do you mean using Mission Planner to upload the 2.7.3 firmware erases the existing radio calibration?

If that's the case, we should not have to redo the radio calibration since we uploaded both 2.7.3 and our custom program through the Arduino compiler and not Mission Planner.

Comment by Marooned on September 26, 2012 at 4:13am

Updating to 2.7.3 erased eeprom hence this radio calibration. Updating to earlier firmwares left eeprom so no calibration was needed. Anyway, I just wrote what helped me in similar situation. You can try (it takes no more than a minute) or wait for other hints.

Comment by Zachary Koh on September 26, 2012 at 4:10am

@Marooned
The team moved from the 2.7.3 to our custom program without performing radio calibration and did not have any problems. But moving back, the 2.7.3 produced no response.
If shifting from one firmware to the next did not give any problem, shifting back to the first should not either.. Right? Pretty perplexed here.

 
 
 

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