Problems, Hints, experience, comments on the new PIXHAWK3689246135?profile=original

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  • Hi Guys
    Although I've got two Multi Rotors using Pixhawks, I'm still very much a novice, and I'm pleading for help with my problem.
    I've fitted a Pixhawk to my first plane (Sky Hunter)
    RX EZHUF 8 ch lite
    TX Taranis
    Mission Planner Ver build 1.1.5778.1142
    Firmware Arduplane V3.5.0
    1/ getting extreme latency from TX to servos of about 1 sec, although sometimes it seems longer.
    2/ Bad AHRS. After googling the subject, I see a number of people have encountered it but no solutions.
    3/ Can't calibrate accelerometers. Mission planner basically freezes every time I hit a key to receive the next instruction to , say, place on the left side.
    4/ In my efforts to sort these issues out, I noticed that when I go to the Terminal function, pick Pixhawk from the drop down menu and hit connect, I get a never ending stream of what looks like computer programing scrolling up the screen, and can't use any of the other functions as it's locked into this streaming.
    Can someone please help before I do something stupid like go buy a NAZA.

  • Ken,
    I did the calibration a couple of times and think I may have a bad 3dr gps/compass module. At one point in mission planner the quad looked like it was rotating while sitting on my table. I wish there was a way to test the internal sensors. It took a big shock when I crashed it.
  • Is there a way to test the Pixhawk? I crashed an Iris pretty bad and put the components in DIY frame. I'm concerned the Pixhawk isn't working properly. I can't anywhere on how to test the Pixhawk itself. I'm new to DIY drones and have it flying, but it won't hold position. Every time I try to fly it I get a different set of logs.

  • randy said that some pixhawks only have 1mb ram and not the reported 2mb there a way to check before you purchase a new pixhawk or pixhawk clone?


  • Short answers:

    1.  You do not need to modify the firmware.  The flight controller doesn't care what kind of payload the aircraft is carrying.

    2.  If something isn't broken, don't try to fix it.

  • Mark,

    thanks to your comment but realy I want to modify the software for the pixhawk so I can get benifit from all the capabilities of it in order to use any payload I want

    I have downloaded the PX4 toolchain with eclips for windows but I don't know yet from where I must start

    sorry of my silly questions but Iam a new user and don't have any experience in this domain...


  • Salem,

    Pixhawk is a robust autopilot for a fixed wing aircraft by itself when loaded with Pixhawk or PX4 software.  Do you mean that you are to use the Pixhawk in an aircraft design or perhaps modify the software for the Pixhawk (which is open source)?

  • Hi

    Iam a master2 student and my project is to design a robust (no bugs) autopilot for fixed wing aircraft using pixhawk.

    how and from where should I start???

    I have the sufficient motivation to do this...

    Any help plz

  • I believe this is correct. Nothing worse than having an issue or blown component for something silly... been there done that. Not sure the best place to post so I put it here. It wouldn't show up in a search so maybe a new topic is better.


  • I'm almost certain this very commonly found pinout of the pixhawk is incorrect FYI


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