Matt Gunn
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  • Atlanta, GA
  • United States
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Matt Gunn's Discussions

Maintaining a certain groundspeed w/o airspeed sensor?

Started this discussion. Last reply by Matt Gunn Aug 6, 2013. 2 Replies

Im wondering how I can maintain a specific GPS groundspeed during an auto flight without the airspeed sensor. Is it possible? Or am I missing something?thanks,MattContinue

Syncing clocks. APM and Camera

Started this discussion. Last reply by Matt Gunn Jun 28, 2013. 2 Replies

Gents, Im having a bit of a problem finding the info, and I know its around here somewhere! LOL.Can someone point me to info regarding syncing the APM clock to my cameras clock, and how to merge the…Continue

Formula for determining resolution (cm/pix)?

Started this discussion. Last reply by Sigit Riyanto Jul 27. 11 Replies

Im trying to determine the resolution of my camera for mapping. Its 12.1mp, flight altitude is 320 feet.I have this chart for a 10mp camera, but is there a formula someone can share?…Continue

Let's talk Canon cameras

Started this discussion. Last reply by JonB May 3, 2016. 134 Replies

Id love to get an idea what people are using for their aerial mapping Canon cameras. I have the Canon S95, which usis optical image stabilization (OIS). This means the lenses are floating and move…Continue

 

Matt Gunn's Page

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About Me:
Interested in all things aviation.
Please tell us a bit about your UAV interest
Fixed wing, rotary wing, and multi-rotor.

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Matt Gunn's Blog

Mapping Mission Ride Along

Posted on May 18, 2013 at 10:00pm 68 Comments

Here's my 1st mapping test flight with a Skyhunter twin-boom pusher. Im running Arduplane 2.73. Mapping camera is a Canon s95 running an intervalometer script via chdk. Its suspended from a single axis gimbal that keeps the camera pointing down regardless of aircraft bank angle. Video shot from a GoPro 3 Black Edition.

It took 120 photos during the 10 minute…

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How to trigger a Canon camera through an RC transmitter

Posted on April 4, 2013 at 7:00am 19 Comments

 

In this video, I go over how to trigger a Canon s95 camera through an rc transmitter, without taping a servo on top to push the shutter button. Canon cameras use a firmware hack called CHDK that allows shutter control through the usb port. With a simple switch from Turnigy, we can trigger the camera from the transmitter.

Turnigy switch:…

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Testing the GoPro 2

Posted on November 22, 2011 at 6:17pm 14 Comments

Ive been doing some testing with the new GoPro2 HD video camera. I bought it out of necessity after loosing my GoPro HD in flight :( But, having the HD jump ship was a blessing in disguise, because the new GP2 boasts some impressive features.

While shooting in 1080P, you can choose 3 different field of view (fov) settings: Wide at 170, medium at 127, and narrow at 90. Heres a video I made testing the different fov settings on a Skywalker foam airplane.…

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Comment Wall (1 comment)

At 8:30am on June 18, 2014, Bryan Buchorn said…
Looking for a schematic of your cannon camera trigger if possible...

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