David Sprague
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  • Cave Creek, AZ
  • United States
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David Sprague's Discussions

 

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Latest Activity

Carlito Oliveira replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Ahh... just to add... @Remzibi: It wont work without the camera at all... The max need the sync pulses to work and they are generated by the video camera. Carlito"
Jan 24, 2012
Carlito Oliveira replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Thamm!! I wrote a bit history but my browser lost it!! I´ve been researching about this subject (Closed Captioning) for some time now. The most successfull projects I found…"
Jan 24, 2012
David Sprague left a comment for Justin McDermott
"Hi Justin, where do you fly around Bucksport? I'm in Belfast."
Oct 12, 2010
David Sprague replied to John Lambert's discussion DO I Have Every Thing?
"You should look at this post on what upgrades you want to do for the Easystar. A link to it is on the ardupilot home page under the description of the EasyStar: http://diydrones.com/profiles/blogs/705844:BlogPost:3387 You're going to want…"
Sep 29, 2010
David Sprague commented on automatik's blog post What's your screen resolution? - help GCS desing
"1024 x 600 (Asus netbook) in the field"
Mar 24, 2010
David Sprague commented on jasonshort's blog post Ardupilot 2.5 Final
"Hi Jason, Thanks for all you working on v2.5 and the excellent animations you've done illustrating some of the algorithms used. In going through the different programs in the test suite that's part of the released version of 2.5, I found…"
Feb 23, 2010
Jay Smith replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"You are correct about transmitting your call sign. It must be transmitted at 10 min intervals, if you are using OSD you only need program the display it include the call sign in the video stream and the call sign will be continuous. But I like the…"
Oct 20, 2009
Jay Smith replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Jordi Check out http://www.arrl.org/ regarding getting the Armature Technician License. With it you have the ability to tx more watts and amateur tv has its own HAM following so there may be some resources to explore in that community. Jay KE5OPN"
Oct 20, 2009
Michael King replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Our UAV "BorderHawk" has two separate channels. We used the 900mhz Maxstreams (prior to the release of the Xtend modules which i would use now). The autopilot was the now out of business UAV flight systems autopilot. It would send its…"
Oct 15, 2009
David Sprague replied to hawk's discussion How to connect Gps + ICRON
Oct 12, 2009

3D Robotics
Jordi Muñoz replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Nick, Audio is very important for FPV.. Try to drive your manual transmission car without tachometer and without sound! We need to ear the motor to see if we are running fine... You can also ear your wind speed."
Oct 5, 2009
remzibi replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"This is already done and possible using existing $Mxxxxxxx function . For future use will be easy way to add dedicated message 30char long only for transmition . However I need to made some experiments basically with ground part - so I already…"
Oct 5, 2009
Nick Sargeant replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"I don't want to be a distraction to you guys but if the remzibi OSD is out of memory to implement the first idea, what about designing an audio modem that transmits telemetry data through the audio channel of the Vtx? Would It make things…"
Oct 4, 2009
Nick Sargeant replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Remzibi, is there enough space on your OSD to implement your first idea?"
Oct 4, 2009
David Sprague replied to David Sprague's discussion Project 10 - Telemetry data sent in Vertical Blanking Interval of a video signal
"Remzibi - I think the first solution you propose is a good one providing that you feel that giving up the top (or bottom) row of characters won't be too much of an issue. It's a nice simple solution with no hardware mods required. Since…"
Oct 4, 2009
David Sprague left a comment for remzibi
"Hi Remzibi, I wanted to discuss some of the details of the Telemetry over Video VBI project. I don't see a way to send a message directly to you. We can set up a "Huddle Workspace" if you'd like but it seems like it's kind…"
Oct 4, 2009

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