Discussions

MiniAPM v3.1

Posted by Shane Hopcroft on May 17, 2014 at 7:29pm

Hi,

I noticed a reference to this in a blog post:

http://www.goodluckbuy.com/miniapm-v3-1-mini-ardupilot-mega-2-6-external-compass-apm-flight-controller-for-multicopter-fpv.html

It looks too-good-to-be-true to me.

I was wondering if anyone had already purchaed one of these, and if so - are they any good?

Shane.

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Replies

- - - - David Ko > Dieter Gross August 22, 2014 at 11:09pm
        
        thank you for the correction
        
        i got to upstairs and test the GPS and it showing my house position now , however it still showing "Bad Compass Health" i follow this picture to rewire it
        
        but i didnt do the wire soldering like the one i green circled .... is it a must to do so? cause my GPS board seems different then the one on the picture....or the "Bad Compass Health " cause of something eles ? my table dont have any electric right now excpet the board and the monitor ....any advise ?
        
        LTMNO > David Ko September 16, 2014 at 5:07pm
        
        Question? Do you have to do this if you have the 3DR GPS?
        
        Thanks in advance...
        
        Dieter Gross > David Ko August 22, 2014 at 11:40pm
        
        David, read the threat, its all about the mini apm
        
        see http://www.rcgroups.com/forums/showpost.php?p=28893855&postcoun...
        
        thats your GPS I think?
        
        RC Groups - View Single Post - Witespy "mini" ReadyToFlyer 2.6 v3.1 for APM
        
        RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums,…
        
        David Ko > Dieter Gross August 23, 2014 at 8:30pm
        
        i give up with this set LOL
        
        i will order from here http://witespyquad.gostorego.com/minireadytoflyer-2-6-v3-1.html
        
        this set is everything ready to go ... no need to modify ...
        
        thank you so much Dieter for your information anyways !!
  - Terry Brooks > Dieter Gross June 24, 2014 at 11:45pm
    
    Thanks Dieter
    
    Yes I spent a little time and figured out the connections on the Mini APM for GPS/Compass however I have no idea which cable is which on the GPS/Compass unit itself
    
    They have the standard connectors for an APM
    
    DSC05272_1200.jpg
    
    DSC05271_1200.jpg
    
    https://storage.ning.com/topology/rest/1.0/file/get/3702656564?profile=original
  - Ye Wang > Dieter Gross June 24, 2014 at 8:22pm
    
    The green Chinese characters in the first pic means:
    
    The solder pad pointed by the arrow here has the same functionality as the JP2 jumper on an APM. It is used for firmware upgrade.
    
    And white in the second pic:
    
    Telemetry port, pins from left to right are GND, 5V, TX, RX
    - Dieter Gross > Ye Wang June 24, 2014 at 8:33pm
      
      Hi Ye Wang,
      
      could you please explain this deeper? I thought Jumper2 on the Mini is jumper1 on the apm.
      
      what have this to do with firmware upgrade? Where is jumper2 located on the APM? I upgraded firmware on mini without jp2.
      
      thanks
  - Shane Hopcroft > Dieter Gross June 24, 2014 at 7:31pm
    
    I'm surprised that there is an internal compass jumper on these boards (I hadn't noticed that before) as the spec states 'No onboard compass'. Strange.
    
    Out of interest, did the (external) compass work before you cut the jumper?
    - Hank Danico > Shane Hopcroft January 7, 2015 at 4:31pm
      
      From what I have seen this might be wrong as this video shows the board with a working compass.
      
      https://www.youtube.com/watch?v=Zv49LdcaLv0&list=TLgEkk1g42RaI
    - Dieter Gross > Shane Hopcroft June 24, 2014 at 7:40pm
      
      Shane,
      
      the onboard was not working from the beginning. the external compass did not work until I cut the jumper
      
      The board I got from GLB were sold as version 2.6-external compass http://www.goodluckbuy.com/miniapm-v3-1-mini-ardupilot-mega-2-6-ext...