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Saveing current location of the copter as Waypoint

March 31, 2020, 4:27 am
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@norim wrote:

Hi
I didn’t found such option I think it will be very useful for example for photography. I would like to have possibility to save current location and heading of the copter during flight. It could be saved maybe as waypoint. That will be great for taking pictures from the same point during different seasons. I think that will be generally useful to safe waypoints based on current flight position and next to load them to flight plan or just load and flight to them. Maybe there is such option in QGC ?

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Can not calibrate compass on cube purple with copter 4.03

March 31, 2020, 6:40 am
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@quadpack35 wrote:

Hello,

I am using a cube purple with the mini interface board and a here 2 gps. When the on board mag calibration is running, the status bars do not change and the text box is empty.

The internal compass will calibrate on version 3.6.11 but the external will not.

The interface board and gps are working correctly as long as a cube black is installed.

Is anyone else having this issue?

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Terrain Following under 4 feet (1.3m) crash into Ground

March 31, 2020, 7:54 am
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@Stefan_Menne wrote:

Dear Friends,
I got a new phenom today and im thinking i got one parameter wrong but i dont find out which one.
I put the whole mission planner generally to “feet” because when I plan a mission with the Auto Way-point tool “Survey” i can only adjust the hight in full meters (1,2,3 m etc…) If I want to fly in e.g. 1.3m hight i have to modify the altitude by hand. So i switch the whole MP to feet.
Also if you see my Logs than you see that the Rngfnd Altitude change very quickly in a Range of ± 20 cm. The Reason for that is that im using two RngFnds. One Laser and one Radar.

Coming to the Point: When you see this Log:

you see that the aircraft nearly perfect followed the terrain. The Altitude I put to 4 feet (1.3m)

The next Log :

I put the Altitude to 3feet (1m) and unfortunately i crashed

I tried this several Times, always the Same, 4feet perfect, 3 feet too close to the Ground as if the Aircraft is using the Baro…

Has anyone got an Idea why?
Thanks alot in Advance

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QGroundControl joystick control

March 31, 2020, 7:58 am
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@Bryan wrote:

I have a 3DR Solo and am running QGroundControl 3.5. I have an xbox controller attached to the laptop. I would like to be able to hand off control from the Solo’s sticks to the xbox controller. In QGroundControl, I have enabled and calibrated the xbox controller and can see that QGC sees the input. However, the Solo does not respond to any of the xbox controller inputs and only flies with the Solo controller.

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First Rover build / Tracked rover

March 31, 2020, 9:55 am
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@Rusty_Jones wrote:

So , going to finally start building my first rover. Going with a track design. Overall size is about 18" long , and about 12" wide, still working on chassis/body design. It is going to be 3D printer in likely PETG. Currently trying to work out the final drive ratio and top speed. I am not looking for a speed demon, but something that can explore off road, what sort of speeds should I be looking at?

Thanks
Rusty

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Autonomous Glider from High Altitude balloon

March 31, 2020, 12:41 pm
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@ohitstarik wrote:

Hey! Somebody told me i should be sharing my progress here.

This project aims to autonomously return a glider from a high altitude balloon (100,000 feet). I just wrapped up “proof of concept” autonomous glides dropped from a hexacopter. We’re ready for 18,000 foot class E flight testing, pending how our talks with the faa begins and ends.

Heres the video! Let me know what you guys think.

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How to create graph?

March 31, 2020, 1:18 pm
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ESC Telemetry and 4.0.3

March 31, 2020, 2:01 pm
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@vosair wrote:

Hey all,

I’ve had BLheli32 ESC telemetry working without issue for awhile now. I noticed today when I checked some logs that there weren’t any ESC logs. I have everything set up as it should be according to the wiki. Does anyone else have ESC telemetry working on 4.0.3?

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Problem Calibration BLHELI-S And Pixhawk 2.4.8

March 31, 2020, 2:03 pm
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@brubru444 wrote:

Hello !!

I have a problem with my Drone (Quad X) when i want to make my ESC calibration.

My hardware :
FC : Pixhawk PX4 2.4.8
ESC : Blheli-S 30A
Moteurs 220S 2550KV
Radio commande : FS-I6X
Recepteur : FS-IA6B

When i make calibration with mission planner, the drone restart in calibration mode, he make calibration without problem (test with “normal type” and “OneShot type”).
When i restart in normal mode and when i arm motors, when i touch throttle on my transmitter (very little bit…), motors speed from 1000 to 1400, even if i stop to touch throttle (just motors 2 and 4…
And after 50% of my throttle on my transmitter, motors are allready at maximum.

So, i make calibration without mission planner, just with the normal procedure (connect battery, disconnect battery, connect battery with max throttle, wait beeps finish, put throttle at minimum and wait beeps for finish.

This is perfect and i have the good amplitude 1000 to 2000 on my throttle and motors works perfectly !

My problem is when i reboot my done after esc calibration… i return to the first state and the good state whith the “manual calibration” isn’t sae on my ESC…

Help me please, i’m newbie and i have no more ideas for resolve my problem !

Sorry for my English !!!

Thanks in advance !

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How to connect to the Mission Planner's simulator from dronekit?

March 31, 2020, 2:14 pm
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@arslancharyev31 wrote:

I’m writing dronekit scripts for the ArduPilot Copter and using Mission Planner to observe the behavior of my scripts. To test the scripts, I’ve been trying to use SITL simulator, but it has way longer initialization time and is generally more cumbersome to work with than the one in Mission Planner’s simulation tab, which takes 5-10 seconds to initialize with a couple of clicks. The only thing left to figure out is how can I connect to the simulator that the Mission Planner starts? I tried the host 127.0.0.1 with ports 14550, 5760, 5762, 5763 - none of which has worked. Perhaps I need to use mavproxy? I would appreciate any suggestions that could help resolve this issue.

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Sometimes encounter no ESC pwm signal output when flight control is started

March 31, 2020, 7:52 pm
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@Awesome wrote:

Hi,I have a problem. Sometimes encounter no ESC pwm signal output when flight control is started.I watch the signal with an oscilloscope. Restarting a dozen times may appear once.
Firmware: Copter3.6.9

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Strange Autotune Results

March 31, 2020, 7:58 pm
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@vosair wrote:

I just autotuned my 13" quadcopter running 4.0.4 dev. It flew decently with the rough tune I had on it prior to running the autotune. I tried to fly after the autotune but it’s very loose feeling. It’s basically unflyable in loiter, and just barely ok in althold.
Here’s the log of the autotune. If you want to view it in your own log viewer use the green download button in the upper right corner.
https://plot.dron.ee/Ra31

Here’s a quick attempt at flying after the autotune which resulted in a flip from being so loose.
https://plot.dron.ee/YXTR

Any insight would be most welcome.

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LUA binding to GCS heartbeat

March 31, 2020, 9:27 pm
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@Christopher_Milner wrote:

I’d like ardurover to HOLD if no heartbeat has been received from the GCS in 1 second. I think the best way to implement this is with a LUA script that checks the age of the heartbeat from the GCS. But I don’t believe this binding is currently available… Correct? @rmackay9 @tridge FYI. Next time you’re adding a new binding could you add this one??

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Helicopter throttel cut off (CH8) during a mission

April 1, 2020, 12:38 am
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Problem accessing GPS, atttitute and compass over mavlink

April 1, 2020, 2:11 am
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@ernsten wrote:

Hey guys,

i am new here. I am trying to set up a mavlink connection to my pixhawk.
I am trying to receive GPS data by starting the MAV_DATA_STREAM_POSITION stream (1Hz). That actually worked great. The console output looks like this:

MavLink configuration: successful
Status: Heartbeat: 50
GPS GLOBAL
Status: Heartbeat: 52
GPS GLOBAL
Status: Heartbeat: 54
GPS GLOBAL
Status: Heartbeat: 56
GPS GLOBAL
Status: Heartbeat: 58
GPS GLOBAL
Status: Heartbeat: 60
GPS GLOBAL
Status: Heartbeat: 64
GPS GLOBAL
Status: Heartbeat: 66
GPS GLOBAL
Status: Heartbeat: 69
GPS GLOBAL
Status: Heartbeat: 71
GPS GLOBAL
Status: Heartbeat: 73

Now, additionatly to the GPS data I want to get the Attitute and Compass data. So after I start the MAV_DATA_STREAM_POSITION stream, I also start the MAV_DATA_STREAM_EXTRA1 and MAV_DATA_STREAM_EXTRA2 stream.

This is the point where I get problems. All 3 streams are working individually but when i try to start them all one after another, I get mixed data e.g.:

MavLink configuration: successful
COMPASS
Status: Heartbeat: 77
GPS GLOBAL
Status: Heartbeat: 79
Status: Heartbeat: 85
Status: Heartbeat: 91
Status: Heartbeat: 97
Status: Heartbeat: 104
Status: Heartbeat: 110
Status: Heartbeat: 116
ATTITUDE
Status: Heartbeat: 122
ATTITUDE
Status: Heartbeat: 128
Status: Heartbeat: 135
Status: Heartbeat: 142
Status: Heartbeat: 148
Status: Heartbeat: 154
Status: Heartbeat: 162
Status: Heartbeat: 168
Status: Heartbeat: 174
Status: Heartbeat: 180
Status: Heartbeat: 186
Status: Heartbeat: 192
ATTITUDE
Status: Heartbeat: 199
ATTITUDE
Status: Heartbeat: 205
Status: Heartbeat: 212

Now I receive the different messages very inconsistently. Sometimes I dont get GPS or Compass data for like 20 seconds.

Is it not intended to use multiple streams at once? What am I doing wrong? Do I need to configure more?

Really appreciate any kind of help!

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Detect motor start in Auto-Takeoff

April 1, 2020, 2:38 am
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@eminakgn wrote:

Hello everyone,

In AUTO mode, I configured and tested the parameter (TKOFF_THR_MINACC) and it will trigger motors when acceleration event happens.

I want to detect this motor-start/hand-launch/takeoff etc. via companion computer. As I could not find out, do you have any idea how to sense these situation?
Thanks in advance.

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Multiple Mavlink devices on the same serial connector

April 1, 2020, 10:24 am
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@mauris wrote:

I would like to connect sik radio, osd and storm32 gimbal on the same serial connector by using mavlink 1 protocol

It can work if I use the same baudrate, different system and component ID… ?

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Learning mode for non-standard propulsion - marine waterjets

April 1, 2020, 10:45 am
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@gcarmich wrote:

I’m new to Ardupilot.
Does Ardupilot have a learning mode for new forms of propulsion?
For example, if I have a model boat that uses water jets for propulsion and positioning, could I use Ardupilot and allow it to “learn” how to control the waterjets to steer the boat or to hold it in position (dynamic positioning) on water?

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Ardupilot SITL: graphing halts map updates?

April 1, 2020, 11:17 am
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@jrjbertram wrote:

Hi,

I’m seeing something I don’t understand… I’m assuming I’m doing something wrong. When I start a graph from the SITL console (for example, “graph GLOBAL_POSITION_INT.relative_alt*0.001 altitude(SCALED_PRESSURE)” ), I see that the ardupilot SITL map stops updating. Is this expected behavior?

Not sure if it’s related, but I’m also occasionally seeing that on startup the initial aircraft position doesn’t seem to update the map either.

This is a build of ArduPilot-4.0.1. I don’t see anything in the release notes for versions beyond 4.0.1 that seem related to what I’m seeing.

I’m currently starting the sim via a command line like:

sim_vehicle.py -f jsbsim:renegade -v ArduPlane -m “–mavversion 1.0 --streamrate 50” -L --add-param-file ~/ardupilot/Tools/autotest/aircraft/renegade/ardupilot.param --map --console

I would like to be able to show the graphs while the map is updating in order to debug a behavior I’m seeing.

Thank you!

  • J.

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Arducopter not engaging Auto Trim

April 1, 2020, 2:13 pm
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@FPVEngineer wrote:

Hello everyone ,

Hope you are doing well.
I am having a problem engaging Auto Trim in arducopter 3.5.7 .
I changed my prop+motor combination and wanted to do a calibration of my quad .
When i try to go into Auto Trim by arming the safety switch and then holding the arming stick to low right (Throttle + Yaw) for 15 Sec.

The lights does not change to Green, Blue, Yellow wich means the auto trim does not activate.

The props start spining very slow and after some time the copter disarms automatically. I tried many times but no success.

Does anyone have any idea waht may be wrong ?

Looking forward to your opinions

Cheers
Enerik

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