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MAVLink Tutorial for Absolute Dummies (Part –I)

Started by Shyam Balasubramanian. Last reply by Giggles yesterday. 100 Replies

Hi All,I was recently fiddling around the code for a while and decided to create a tutorial out of it so that others may find it useful. If I would have known this knowledge long back, I am sure I…Continue

Tags: Ardupilot, Mega, the, program, to

Is there an easy way to retrieve the timestamp of each .bin log record in a csv or excel file ?

Started by Hugues. Last reply by Sascha Helle Feb 13. 35 Replies

Afficher le contenu Hi,I posted this on drone-discuss but without any answer, so I try here again:In an objective to georeference images, I'd like to export from a .bin log file the CAM &…Continue

Noob build: Twitchy control with Quadcopter using Pixhawk...what am I missing?

Started by Glenn Hollowell. Last reply by Eddi Maevski Feb 7. 10 Replies

I've got a genuine Pixhawk that I bought from 3DR that I am trying to get configured properly. I am running Mission Planner 1.3.36 and have run through the basic configuration process (compass,…Continue

Tags: tuning, Pixhawk

Apm 2.8 clone board mounting holes

Started by Jason Greening. Last reply by Ray Quintana Feb 2. 6 Replies

So I have noticed that my board moves around in the case a little. So I took it apart to find it wasn't screwed down. The holes are there but no screws. So I proceed to screw it down only to find the…Continue

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Comment by Bo Barry on July 10, 2013 at 10:14am

Failsafe & Turnigy 9X:  OK I'm a beginner, still Googling before my first flight. I thought the Turnigy 9x was popular/good/cheap/etc, but have found it does not provide any failsafe functions.

Here's my approach around this, rather than switching to FrySky.

I'm using the 900MHz telemetry system, & running Mission Planner on a small laptop. I read it has a further range than the 2.4GHz Turnigy. So I plan to monitor the battery voltage and whatever else I need, with the telemetry and hopefully do any needed 'recovery' actions.

A question: Does the Arduflyer 2.5 & the MP & the Turnigy 9x allow monitoring the signal strength of the 2.4GHz signal. I think the RSSI is the telemetry signal strength?

Any info appreciated

Bo Barry    

Comment by Dan Skaggs on July 6, 2013 at 7:08am

Just did CLI test on GPS and it seemed to report it was fine.

Did CLI test on compass and report said "Not Healthy".

Comment by Dan Skaggs on July 6, 2013 at 6:49am

I just noticed/confirmed, Mission Planner Flight Data page gives message, "No GPS". I had GPS when I first loaded firmware and flight data showed it locked on my house - 3 days ago...

Comment by Dan Skaggs on July 6, 2013 at 5:55am

Tx in mode 2.

No signal from Rx is recognized by the board unless I'm in ESC calibration.

I can calibrate ESCs, but can't arm the system afterwards. Also, I now don't get a GPS response.

Comment by Mike Boland on July 5, 2013 at 1:14pm

Just swap over the cables from roll and yaw.

What mode is your Tx in?

Comment by Dan Skaggs on July 4, 2013 at 6:45pm
Mike, Tx is set to acro. Throttle bar was only moved in MP by throttle, but Rudder was moved by roll & roll was by rudder. That's why I initially thought receiver wires were wrong, but they checked out right (see Logan's comment below). Now I can't get board/ESCs to initialize.
Comment by Dan Skaggs on July 4, 2013 at 6:38pm
Bo, good thought, but I read the same note about trimming throttle - tried it but no change.
Comment by Mike Boland on July 4, 2013 at 1:16pm

Have you got your Tx set to Heli by mistake, instead of Acro?

In your radio calibration window on mission planner, when you move throttle is only the throttle moving. This window with the moving bars should aid you in sorting out which channels are doing what.

When you move the rudder to the right is the rudder bar going to max?

Comment by bobarry on July 4, 2013 at 8:45am

I had problems arming, but it worked when selecting arm in the mission planner. Then I read that the throttle trim needed adjusting so that the down & to the right for four seconds really cuts the throttle to zero.

good luck.  bo

Comment by Dan Skaggs on July 4, 2013 at 6:21am

Logan, thank you for your help. However, the hook-up you suggested is what I have on my set-up, so I guess that's not my issue. What's odd is that the board did power up initially and I went through the initial RC set-up with calibrating the sticks; got the ESCs calibrated; all motors & servo worked, although the servo  seemed connected to the throttle inputs. Also, I could not arm or disarm the copter - copter only responded to ESC calibration process. I also started to notice  that when powering up  the copter the board LEDs don't seem to work to show initialization is complete. So I don't think the board is powering up with connection to copter only (Tx/Rx/Battery & no usb). Board powers and connects to computer fine w/ USB only, as when installing firmware.

 
 
 

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