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laser altimeter

Discussion in '3 Axis Gimbal' started by Jason Smoker, Aug 30, 2016.

  1. Jason Smoker

    Jason Smoker Active Member

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    To anybody who is interested I recently added a laser altimeter to my old radian gimbal for my work. We take Balcony shots of high rise buildings so we need something super accurate. I finally made it happen it reads to the cm!!
    parts used :
    fc: pixhawk fc

    laser: sf11/c
    http://www.lightware.co.za/shop/en/drone-altimeters/51-sf11c-120-m.html

    osd: Alceosd 0v3
    http://www.satxo.com/shop/index.php?id_product=8&controller=product

    Its pretty well documented on how to set-up it does require some programming through the open source mission planner and cutting and soldering of wires.

    documents are here:
    http://ardupilot.org/copter/docs/common-lightware-sf10-lidar.html

    thanks

    IMG_4665.JPG





     
    #1 Jason Smoker, Aug 30, 2016
    Last edited: Aug 31, 2016
    MIke Magee and Steve Maller like this.
  2. Gary Haynes

    Gary Haynes Administrator
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    Jason, congrats. Folks were looking for a solution for the last couple of years.
     
  3. Nick Kolias

    Nick Kolias Moderator
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    Have always wanted a laser altimeter. Great info- thanks Jason.

    nick
     
  4. Andy Johnson-Laird

    Andy Johnson-Laird Administrator
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    Bonus points for that, Jason. Have you been able to cross-correlate its accuracy?

    Andy

    Forensic Software & sUAV / Drone Analyst : Photographer : Videographer : Pilot (Portland, Oregon, USA): Trees=2, Ground=1, Props=11. :(
    The Ground Is The Limit™
    ---------- Forensic Drone Analyst : Forensic sUAV Analyst : Forensic Unmanned Aircraft Analyst : Forensic Drone Expert
     
  5. Jason Smoker

    Jason Smoker Active Member

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    Andy yes I did! First test was tape measure gaffed taped to the wall holding it up at different heights then trying to read the fpv screen. (help is required lol). very accurate!

    I have used it on jobs vs a crane also its perfect just have to fly slow enough so my camera ops can take the photos at the correct height. :)
     
  6. Andy Johnson-Laird

    Andy Johnson-Laird Administrator
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    Nice!

    It states that it's good for 120 meters.....just wondered if you happened to accidentally drift above that and notice whether it actually works (nudge, nudge, know what I mean, eh?) :rolleyes:

    Andy

    Forensic Software & sUAV / Drone Analyst : Photographer : Videographer : Pilot (Portland, Oregon, USA): Trees=2, Ground=1, Props=11. :(
    The Ground Is The Limit™
    ---------- Forensic Drone Analyst : Forensic sUAV Analyst : Forensic Unmanned Aircraft Analyst : Forensic Drone Expert
     
  7. Jason Smoker

    Jason Smoker Active Member

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    I dont normally fly more than 100m have not had any jobs to fly that high and test it out. I need some big space to fly that high!
     
  8. Janne Hoglund

    Janne Hoglund Member

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  9. Howard Dapp

    Howard Dapp Active Member

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  10. Janne Hoglund

    Janne Hoglund Member

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    Sure looks that way in the forum post from Holger;

    http://forum.mikrokopter.de/topic-32527.html
    Skärmavbild 2016-12-05 kl. 14.33.23.png
     
  11. Jason Smoker

    Jason Smoker Active Member

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    Just a bit of an update I have now attached a shutter cable directly to the laser and can set of the shutter at exactly required height.

    If anybody takes Construction/Development Photography knows this is very important. So if you do this kind of work let me know i want the company to add more "trigger points"

    thanks
     

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