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Stephen Roach
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  • Tucson, AZ
  • United States

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What causes 'rejected lines in .log' text file when using APMLogVisualizer?

Started this discussion. Last reply by Dennis Okeefe Feb 25, 2014. 9 Replies

I'm not sure were to post this... In-flight data is saved to the APM2.5's on-board datalogger chip.What is the likely cause of log lines being rejected when using the very usefull APMLogVisualizer…Continue

hex always slides to right after lift off, PID tuning issue or something else?

Started this discussion. Last reply by Stephen Roach Nov 26, 2012. 4 Replies

My 3Dr hex-b is flying missions in Auto flight mode very well.However in Stabilize mode, it always moves in the same direction... to the right when I'm standing behind the  back side of APm2.5…Continue

How use ROI command in Flight Planner pull-down menu

Started this discussion. Last reply by Graham Dyer Nov 12, 2012. 3 Replies

I'm trying to have my hex face the next waypoint while traveling to it.It appears the ROI command may accomplish this. Any ideas what values I need to enter to accomplish this?see attached scn…Continue

UAV gained 50m going to each of 5 WPs, ended at 250m elevation

Started this discussion. Last reply by Jani Nov 10, 2012. 7 Replies

Hi, Any ideas how I managed to plan a mission with 5 WP & 1 RTL commands which resulted in my hex ending back above home at 250m? Switched from Stab to Auto when hex was at 10m elevation. See…Continue

Tags: wp, altitutude, plan, flight, MP


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Please tell us a bit about your UAV interest
FPV, photography/video
Tucson AZ

Stephen Roach's Blog

Very interesting video demo of the athletic power of quadcopters

Posted on July 9, 2013 at 8:30am 3 Comments

In a robot lab at TEDGlobal, Raffaello D'Andrea demos his flying "quadcopters".. robots that think like athletes, solving physical problems with algorithms that help them learn.

    In a series of nifty demos, D'Andrea show drones that play catch, balance and make decisions together -- and watch out for an I-want-this-now demo of Kinect-controlled quads.…


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