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  • I am trying to compile the source and need some assistance. Anyone know where I can find some assistance? I can compile but there are a lot of warnings and I am not sure about the output file.



  • Can APM 2.5 fly a standart hexacopter with one engine failure? I mean, if it has enough power?

  • Colin, you might want to post your question in the discussion section. It is better suited for Q&A. Just click on the 'Add a Discsusion' above or go to Forum and drill down to the appropriate section.


  • Hi All I am having a problems taming the throttle on my hex. I'm new to the hobby so bare with me on this but while on the ground tuning if i up the throttle about a third and stop the motors continue to accelerate on there own quite a bit more in a slow build. Dropping the throttle does not immediately slow them until i,m down at 0 throttle. As you can imagine testing in flight has given me some real grief! Any ideas would be most welcome. Is the problem with the ESC's or the APM settings?

  • Funny thing happened to me yesterday. I have a fully fuctional APM 2.5 qith NEO-6M. Every mode is tested and it works. But for some reason i activate LOITER, it worked for like 10 sec, and then it shooted in a direction until i activated STAB mode again. I'm running 2.9.1b. Should i go through the logs and be worried?

  • Hi Jani,

                  Sorry , You are quite right. It was not an year ago but long back perhaps more then two years. My bad. Sorry. Time flies.

                   Thanks for your prompt reply. I am looking at a stable hover with GPS and altitude hold , auto take off and landings + auto landing on fail safe  for Quad. I am comparing the same with DJI NAZA. Ofcourse the cost of NAZA is high but I am looking at the features. I saw NAZA performing well for all above requirements. I am looking at Aerial photography application. Will it perform at par with NAZA ? Does it have auto home location storage feature on power on ? Can I use the same without a computer and a modem in the field ?

    I already have MediaTek GPS. Do I still need to buy one ? If I need to buy something additional for better performance , I do not mind.

    Kindly guide me so I can proceed further.

    Thanks n regards.



  • I think in all fairness since its very conception every release is a pre release its forever changing the numbers are just mere reference for builds some might work for some and not for others

  • Randy, Thanks for the update on 3.0 release.

    When is the final release trending towards? I'm just a little hesitant to try a pre-release build.

  • Developer

    Sid, i really doubt that it's year ago. it's more like 3 years ago.  jDrones was separated from FahPah at end of 2010. If you log on store.jDrones.com you should find your earlier order from there. 

    True current software does not fit anymore to 1280 CPU board.  1280 CPU board was announced to be End-Of-Life on software support over 1 year ago. You can still manually compile software that fits on it but you need to disable many features to make it happen.

    I suggest to upgrade at least your main CPU board or whole flight electronics to get future updates. 


    or whole new APM2.5+ electronics



    Jani / jDrones

    jDrones, R/C UAVs and More....
    Manufacturer of ArduCopter frames and parts. Custom airframe manufacturing, Custom design services for all your R/C UAV needs
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Drone flying to non visible point

Hi there,I encountered a problem, while flying in auto mode, with approching to point that was not set by trajectory and is not visible after downloading mission from flight controller by Mission Planner. Does anybody encountered similar problem. The situation is that in the middle flight I stopped the UAV and uploaded new mission and after changing to auto mode it starts to fly in some direction. It goes straight to some point, so I assume it's not mechanical problem. I attached the link to…

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Hi,Im working on a autonomous drones and im using JETSON NANO and flight controller PIXHAWK .Im able to control my drone by giving rc commands on the MAVLINK terminal itself by connecting it with PIXHAWK but now i want a python code from which i can do some operations like:takeoff,left ,right,forward,backward…and i am not using GPS…Can anyone please help me…

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1 Reply · Reply by tellinglean Oct 17, 2022

HELP quadcopter: one motor twitching and stuttering

Hello guys,I have a problem with one motor, do not spin and making a sound (videos in attachment), I changed the motor to another ESC and is work, so I checked the connections on ESC and all connections looking great. any ideas or something I can do, iam trying to build YMFC32 Brokking .thank youhttps://youtu.be/LagBqwGbixkhttps://youtu.be/PU20nCxApcs

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Will AHRS_ORIENTATION=8 for Arducopter 3.2.1 on APM 2.5 using a traditional Heli

I have been Reading Chris Olsen posts and watching his videos on Arducopter with traditional Helis using a Pixhawk.I have inherited an older Trex 450 heli with the old Align 3G FBL hardware.  The FBL controller appears to be bad.  So I have an old APM 2.5 without a compass or GPS on board.  I just want to replace the failed Align 3G FBL system with the APM.Now I have to mount the APM under the skids on the heli so the APM will be upside down.I have Two questions.1)  Is the AHRS_ORIENTATION=8…

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