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Thread: Definitive answers required on the AAT

  1. #1
    Hive Mind Nightram's Avatar
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    Definitive answers required on the AAT

    In post http://fpvlab.com/forums/showthread....l=1#post820864

    I wrote:
    Quote Originally Posted by Nightram View Post
    I have had my TBS Capi for a while now, but I heard of the new GPS mod to the tracker. I thought I would give it a go and I believed it worked flawlessly.

    However today during a fly after reviewing the video I noticed two things:
    - The tracker seemed to get lost easily (twice in 5 min flight)
    - The vertical pitch did not operate during tracking
    - I am using an Afronaze32 with a Skylark GPS. Skylark convert module is between Afonaze32 and GPS (GPS is being used for RTH).

    During the flight below you can "clearly" hear (in original audio) the convert module modem through the flight, even when the AAT is not pointing in its direction. It identifies the GPS and tracks it during launch, about halfway in between and identifies it towards the end as being too close so point upward. As I land outside of 20m it then reacquires the correct direction at landing.

    Skylark, can you please clarify what can be wrong here as I believed it was working fine prior to the update.
    - Does the Convert module also send height for antenna pitch changes?
    - Are any functions lost during the GPS add on update?
    - What are the most likely failures?

    https://youtu.be/sxEDdS_5LQk

    Can you please answer this for me?

  2. #2
    Pilot
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    1. The Convert module send pitch, roll , height, GPS longitude and latitude to AAT

    2. Is the AAT work well, when it doesn't connect a external GPS?
    Last edited by skylark; 27th December 2016 at 12:07 AM.
    Skylark FPV Service Center
    http://www.skylarkfpv.com

  3. #3
    Hive Mind Nightram's Avatar
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    Yes, the noise may have been too high on the module. I am rebuilding a new one.

  4. #4
    Hive Mind Nightram's Avatar
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    Quote Originally Posted by skylark View Post
    1. The Convert module send pitch, roll , height, GPS longitude and latitude to AAT

    2. Is the AAT work well, when it doesn't connect a external GPS?
    I am having an issue with my convert module, it is not recognising th GPS.

    It is set up as per diagrams with GPS data passing through.

    GPS is
    • M8N
    • Baud 3800
    • Outputting UBX + NMEA
    • Light remains steady red, tone is there for a little then goes to flatline note
    • unable to connect with FTDI adapter to upgrade firmware
    Last edited by Nightram; 29th December 2016 at 08:30 AM.

  5. #5
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    Quote Originally Posted by Nightram View Post
    I am having an issue with my convert module, it is not recognising th GPS. It is set up as per diagrams with GPS data passing through.GPS is
    • M8N
    • Baud 3800
    • Outputting UBX + NMEA
    • Light remains steady red, tone is there for a little then goes to flatline note
    • unable to connect with FTDI adapter to upgrade firmware
    Is the baud rate 3800 or 38400?
    Last edited by skylark; 31st December 2016 at 12:44 AM.
    Skylark FPV Service Center
    http://www.skylarkfpv.com

  6. #6
    Hive Mind Nightram's Avatar
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    Quote Originally Posted by skylark View Post
    It the baud rate 3800 or 38400?
    38400 sorry, one of the aproved rates in the txt file.

  7. #7
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    We need to analyse the GPS data.
    Can you send the text file to us?
    Skylark FPV Service Center
    http://www.skylarkfpv.com

  8. #8
    Hive Mind Nightram's Avatar
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    Quote Originally Posted by skylark View Post
    We need to analyse the GPS data.
    Can you send the text file to us?
    What text file? Do you know a way of logging in ublox ucenter?

    Or do you have any particular ucenter settings?

  9. #9
    Hive Mind Nightram's Avatar
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    Quote Originally Posted by skylark View Post
    We need to analyse the GPS data.
    Can you send the text file to us?
    Hello, can you tell me what information you need or what settings to verify in ucenter?

  10. #10
    Hive Mind Nightram's Avatar
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    Still waiting on a response

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