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Quad-D Frame 2014

The Quad D frame a.k.a. 2014 Quad Frame is listed as out of stock on the 3DR website. In the past I've been able to order even when something was listed as out of stock.

Am I correct in assuming 3DR is no longer going to be selling that? Also will a n

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Pixhawk and minimosd extra

I have minimosd extra plugged into Telem 2 on the pixhawk everything is working apart from the number of satellite and GPS lock only appears when the copter is armed. Everything works if i plug the osd into Telem 1

The setting below are what I am usin

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Companion Computer Geotagging

So I recently set up a quad using (similar to) @Patrick Duffy's long-range wifi system.  So basically a Raspberry Pi running MAVProxy acting as both a communications radio and live feed transmitter back to my command center.  I also wrote a short scr

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12s Voltage Sensing for Pixhawk

Hi all, 

I have two rather large Aerial Photography platforms outfitted with Pixhawks. One runs on 6s and the other on 12s. I need to solve the voltage sensing problem.

In both cases, I have no interest in sensing current (partially because it would ju

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Question about GPS_HDOP

I sometimes get high GPS_HDOP values (i.e. above 2) so naturally my copter (3DR X8+) fails the pre-arm check. However, once the copter goes up a few meters,  I imagine the signal will get better in most instances. So I was wondering if it’s possible

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Types of ESCs

What are the differences between an airplane esc and a multirotor esc? If I had an airplane esc and a multirotor esc that had the same specs what would be the thing that means it is an airplane esc rather than a multirotor esc? Would it work to use a

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Reading Tlog file

I am looking for a way through which I can read binary TLog file. Actually, I am trying to develop a utility in java which could read TLog binary file and playback it. Anyone knows how Mission planner does it and playbacks the loaded TLog file ? I lo

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