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Wiring Diagrams

Discussion in 'Drone Builds and Kits' started by Fat Corgi, Aug 24, 2014.

  1. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 24, 2014 #1
    Before I start warming up the iron, I thought I'd post this here so other people can have a look over what I am planning, and double-check my layout. Better to do it now before finding out in a more destructive fashion later on.
    Please feel free to upload your wiring diagrams, as I have found them incredibly helpful in the planning stage of a multi rotor build.
    My diagram is for a droidworx MX8, that will be hauling BMPCC and GH4's.
    [​IMG]
    This does not include the gimbal, and operator downlink system yet.
     

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  2. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 24, 2014 #2
    looks like it.... the current sensor goes in and goes out, not passed by also right?
     
  3. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 24, 2014 #3
    Exactly. The eLogger from EagleTree is the 150A version, but according to the eCalc I may hit up to 170A. Over on the Voldermort forum there has been a discussion about splitting the load around the logger and measuring your draw then recalibrating the eLogger software . Apparently it works a treat. So this is what I plan to do.
     
  4. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 25, 2014 #4
    yea, definately only run it on one battery lead,,,,

    [​IMG]
     

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  5. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 25, 2014 #5
    Really? Have you tried it? I had faith in the other method? I would much rather be monitoring both packs given the option.
     
  6. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 25, 2014 #6
    you had asked in a post and this was my response in a picture, you had takin it wrong.

    i've had three of them setup like this with hundreds of hours logged. no problem what so ever. you can't pass by and pass through the current sensor, it'll never move ..... the way you drew it there isn't gonna work.

    picture liquid.... if a liquid has a chance to go through and by a meter, most will go right on by and not spin the meter.....

    heres proof of it working overtime on a 100 amp current sensor pushing a rig as hard as it'll go

    this osd started having problems on thi flight were the current sensor dies, the whole unit went back to immersion for a look

    I had osd pro on my first skyjib and had horrible noise so we quit using them on the lifters and went back to using them in wings, there just happier with more gap between other parts....keep any eye on it, will affect rc control, do a range check before sending it up with everything on and look for failsafing
     
    Last edited by a moderator: Nov 22, 2014
  7. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 25, 2014 #7
    heres the immersion before i screwed up the firmwrae

     
    Last edited by a moderator: Nov 22, 2014
  8. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 25, 2014 #8
    So basically it can't be done because I will exceed the limit of the sensor? And even if I didn't it would affect other systems negatively anyway. I just remove the whole EagleTree System? I've not tried the Immersion stuff, other than their Vtx. That's fairly disappointing.
     
  9. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 25, 2014 #9
    That and the fact you have a shortcut. Done like i posted works killer to monitor current and voltage. because the packs wind up being parralel the voltage from both is always shown, only thing that's goofy about it is it is showing you half of the actual current cause it's one pack..... double whats shown is what your actualy drawing...

    You could try how you showed, it's just not the right way to engineer it as i know

    It has great data as long as it's working with your system. mine was 433 ezuhf driven and we would get 100 feet away and it'd show rssi off and ready to failsafe.... it wound up crashing before we ever sorted what it was but at the end of the day the hoverfly board just shut off mid flight, no idea if it was the problem all along or.....
     
  10. baja-king

    baja-king Here for the ride :)

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    Posted by baja-king, Aug 25, 2014 #10
    Hi Tommy, I would consider adding a BEC to your landing gear servo :)
     
  11. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 25, 2014 #11
    agreed....
     
  12. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 25, 2014 #12
    Hey Steve,
    That should be easy enough. I have more than enough current in the Gryphon BEC. Any particular reason why?
     
  13. kloner

    kloner Aerial DP

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    Posted by kloner, Aug 25, 2014 #13
    you can't run multiple bec through wookong like your showing,, just noticed. it is going to backfeed into the dji pmu.... you would bypass the rx being powered by the bec in the pic and take those power wires straight to the servo, only use the signal from the rx to switch the servo open/closed

    Again, just an engineering thing, not a part problem
     
  14. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 25, 2014 #14
    Should the signal wire be accompanied by a ground as well, or should that just go back to the BEC?
     
  15. baja-king

    baja-king Here for the ride :)

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    Posted by baja-king, Aug 25, 2014 #15
    Signal wire only
     
  16. baja-king

    baja-king Here for the ride :)

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    Posted by baja-king, Aug 25, 2014 #16
    The problem is when the landing gear servo fails it could draw excessive current and screw everything else :)
     
  17. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 25, 2014 #17
    Understood. Thanks.
     
  18. Carapau

    Carapau Tek care, lambs ont road, MRF Moderator

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    Posted by Carapau, Aug 25, 2014 #18
    Be careful with those Max Amp batteries. If I remember correctly they are marketed as 40c batteries. The problem is that the way Max Amps markets them, they use the peak C rating and not the constant rating. I emailed Max Amps directly when my ones didnt seem to give the grunt that I expected and Max Amps claimed a constant C rating of only 4C!!!!! If you can, change them out for something like Gens Ace etc then I would. Maybe others have had success on these batteries but I certainly didn't.
     
  19. Fat Corgi

    Fat Corgi Member

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    Posted by Fat Corgi, Aug 25, 2014 #19
    LiPo Choice.

    Hey Carapau,
    Thanks for giving me the heads up. I'm been glancing over some other threads discussing similar outcomes to you. Not encouraging at all. I will look at the Gens Ace LiPo's, and any other reasonable alternates. Will have to ship them in to the country though as I don't think Gens Ace have a distributor down here yet.
     
  20. soggybottoms

    soggybottoms Member

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    Posted by soggybottoms, Aug 25, 2014 #20
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