How can I modify the gstreamer source file?
I have a particular gstreamer pipeline I need to use because of some odd software configs. gst-launch-1.0 udpsrc port=5600 \ ! 'application/x-rtp,encoding-name=H264,payload=35' \ ! rtph264depay !...
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Signaling APM ports from Raspberry Pi to avoid objects
Hi all, I have a Raspberry pi that measures the distance between my vehicle and an object. depending on the distance, i want to avoid that object. I am using an old APM. In which port should i signal?...
View ArticleDrone tilts and moves to North-East direction during takeoff
Hi, I have recently assembled a new drone on the F450 frame. When I try to fly it, it always tilts and moves towards the north-east direction during takeoff. I have tried looking at the logs but...
View ArticleTelemetry issue with Taranis
Hello, I have an issue to read telemetry data on my Taranis X9D from port-Telemetry 2 with a Black Cube. I have a receiver X8R and the cable to connect the Sport to the port-Telemetry 2 (I tried with...
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Dev Call Jan 17, 2022
Issues & Pull Requests github.com/ArduPilot/mavlink ardupilotmega: use params 6 and 7 of MAV_CMD_DO_START_MAG_CAL to pass lon/lat ArduPilot:master ← Williangalvani:magcal_lonlat opened 05:02PM -...
View ArticleMMC3416 One Axis Reversed
Hi Ardupilot Forums, I am trying to set up arduplane 4.1.6 with a MMC3416 magnetometer and one of the axes seems to be reversed. When doing the orientation test (dip nose, dip right wing, flip...
View ArticleAbout px4-flow make all
I downloaded the source code from Github, and I went back to the version in December 2014. When I compiled, there was a problem of Itoa and Itoa function redefinition. I modified the name and compiled...
View ArticleSatelite Data Usage
Hi All, Im looking at ultra long range telemtry options that only lend itself to datalink through satelites. Does anyone have the average data usage expected with the mavlink telemetry uplink and...
View ArticlePlane PID speed scaling fails when GPS signal lost during acrobatic maneuvers
During ACRO mode when flying inverted, the plane loses GPS lock, and the plane becomes very unstable, apparently because the speed scaling function fails to recognize that the airspeed calculation is...
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Build a boat using spare parts from copters
This is my 1st attempt to build a boat. I have played quadcopter for sometime. So I try to build it using parts I already have. Thanks to great versatility of Ardupilot, it is not very difficult. fC:...
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Loading Geofences to APM using pymavlink
Hi all, I am trying to load a “fences.waypoint” file to my APM using python and pymavlink. My setup is the following: i am using Mission planner SITL to simulate and test my code. i also use pymavlink...
View ArticleOn getting RTK Float or Fix my HDOP jumps to over 3. Any ideas as to why?
My setup is a bit complicated, well for me at least, as it involves 2x Ardusimple RTK lite modules on the aircraft for a moving baseline yaw sensor. This is awesome by the way and works a treat. In...
View ArticleGPS fix when calibration
I looked up every topic airspeed sensor , also I mentioned my problem here. But I couldn’t solve it. And tricky question came to my mind:Does GPS fix condition is must when airspeed sensor calibration...
View ArticleGps denied odometry frames
Hi, @LuckyBird for the awesome guided on vision based navigation. I don’t have a T265 hence I am not able to understand its output. In My case, I am running SLAM and the output of slam is in right...
View ArticleWatchdog reset on high speed baud rate
Hi all, I use ArduPlane v 4.1.5 with pixhawk (fmuv3) and I add a serial external AHRS. when the serial is set in low baud rate speed (<=115200), the code runs fine. however when I set the baud rate...
View ArticleHow does he save a waypoint with throttle?
Hello friends. Please explane me how this guysaves a way point just holding throttle to the right? As far as I know I can save a WP with auxiliary channels such as channel 7. But throttle is not such...
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WPNAV_RADIUS parameter - What happens when you enter a different value on...
When adding waypoints to a mission on the PLAN page, a white dashed circle is drawn to indicate the “radius” for that waypoint - the distance the copter must be within to “arrive.” (sorry - I’m sure...
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Question about Position innovation EKF3 / EKF lane switch
Hi all, Since few days I often encoutered Critical EKF lane switch. I’ve looked in my log and I found something strange about Position Innovation NE/DOWN, for exemple here or here This is strange I...
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Camera Target - blue icon on map of DATA screen
From time to time I get a blue icon on the map of the DATA screen. Hovering over the icon reveals the name “Camera Target” and the latitude, longitude and elevation. Testing on my workbench, when I...
View ArticleThrust loss in dual motor tailsitter
Hi, I have a dual motor tailsitter without vectored control. I have been conducting VTOL tests and tuning and experienced some unusual behaviour; I had a few flips on takeoff initially, now there is a...
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