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Tattu CAN/SMBUS batteries are supported?

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@hydropik wrote:

Hello,

Does these batteries are supported?

Tattu Plus 1.0 22000mAh 44.4V 25C 12S1P Lipo Battery Pack with AS150U plug

Can we have information in our ground station?.

Thank you

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Check in Joystick to enable as default

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@Corrado_Steri wrote:

@Michael_Oborne Would it be possible to add a checkbox in the joystick menu that if checked starts the joystick by default when Mission Planner starts?
It would be very convenient for those people who use only joystick or for people that use a self made ground station.

Thanks

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Point to Multipoint Connection to Multiple UAVs with single GCS

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@Mustafa_Gokce wrote:

Hi.
I want to connect multiple UAVs those have RFD900x onboard to use as telemetry link.
Is there a way to connect these UAVs using a single telemetry modem (RFD900x) on the GCS?
Thanks…

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how to use guide mode and remote control together (dronekit python)

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@latte wrote:

I want to use the guide mode. In order for the drone to fly to the target automatically And I want to use the remote during the flight To control and avoid obstacles I’m writing a script using Dronkit python. What do I have to do? please

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MP waypoint reached spoken message (overcrowd)

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@Webillo wrote:

Please, observe and listen this video (4K):


(Rover followed by three drones, three spanish voices (Pablo repeated), MP 1.3.68.1 build 1.3.7236.10299)

The waypoints message is:
{sysid} a {wpn}

But there is heard an aditional speech message indicating waypoint reached, which also appears on the hood:
Reached command #XX (Copter)
Mission: XX WP (Rover)

Unless I miss something, this reached waypoint speech message cannot be avoided. For this type of mission, with close together waypoints, speech is overcrowded.

Particularily, hearing in spanish “Reached command almohadilla XX” seems a nonsense mixture.

Unless I miss something, a solution would be making the reached waypoint message similar to the present speech waypoint one (optional and programmable):

For close together waypoints missions like this, one or the other message can be chosen. For separated waypoints both can be chosen. What appears on the hood now is acceptable.

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Mission planner error ver. 4rc1

Support for Travel to Ardupilot Unconference 2020

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@IAMMATT wrote:

Topic: Support for Travel to Ardupilot Unconference 2020

Proposal type: Hardware [ ] , Software [ ] , Other [X] : Travel Expenses

Description: Peter Hall (@iampete) and I would like to attend and present at the ArduPilot Unconference 2020. This would be a fantastic opportunity for us to meet and work with our GSoC mentors as well as the wider dev community. We would like to present individually on the work done during and post the GSoC period.

We are both based in the UK and the travel costs represent a significant barrier to us at this time.

We are requesting support to help us cover the costs of flights (LHR->SYD, Economy), shared accommodation for the pre-unconference meet-up, and shared accommodation for the unconference itself. The quoted value below includes accommodation at the proposed hotel for the conference. The quote value is the total for the both of us.

Any support will be greatly received.

Many thanks in advance,

Matt and Peter

Planned amount $$ (USD): $3036.00

Estimated time for completion: Mar 2020

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Lidar VL53L1X modes support

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@fs007 wrote:

Copter 4.0 supports the VL53L1X Lidar and that works well as far as i tested it.
This chip has 3 modes: long, medium, short.
Long works well indoor, the other ones are supposed to work better in stronger ambient light.
Copter 4.0 seems to use “Long” mode as default. How can i select the other modes ???

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Remaining Battery always 100% at start

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@alberto.munizaga wrote:

Hi

No matter how much voltage the battery I connect, the FC always interpretate the battery is fully charged. There is any way to calculate that battery porcentage from the input voltage? For example, Im using 6S battery, so the max voltage will be 25.2, that way if I plug a used battery, with 23V, FC could know that is not a fully charged battery.

Thanks!

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Qground control can't received full set of parameters

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@xingxing wrote:

Hi, I use ULRS( ultimate long rang system) to improve the rang of RC and telemetry signal. Everything works fine except the qground control which is the mobile version. the qground control can’t received full set. of parameters.i gues
s the lost rate too high, but it’s not too much noise in the flight field, becase the other guy using this system have the same problem. is this bug of qground control? can anyone resolve this problem?
F405 wing installed arduplane 3.9.9, mission planner works fine.

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Help Using Pixhawk Board and Airspeed Sensor

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@samfranklin wrote:

Hi,

I am a senior Electrical Engineering student working on my senior design project. I am looking for a way to measure airspeed, calibrated airspeed, outside air temperature, altitude, and vertical airspeed (with live data and stored data for later). I think I have found a solution but I am not sure, and would like advice and/or help with figuring out which Pixhawk board to buy.

I am thinking about using this airspeed sensor: http://store.jdrones.com/digital_airspeed_sensor_p/senair02kit.htm
with this pixhawk board:
https://www.getfpv.com/pixhawk-4-autopilot.html

Will it measure all 5 parameters? And would I be able to get live data and stored data using the above two by pairing them with a raspberry pi?

Thanks in advance!!

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Composite frame

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@yrjobjorkqvist wrote:

Hello everyone.

Have any of your experience building a composite drone frame made of carbon fiber, balsam and epoxy? The purpose is to provide a light and rigid frame for long flight times. The purpose of balsa as spacer material is to create rigidity in the construction and seems to fulfill its purpose, it becomes light and rigid

Regards YB

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Second flight... and second crash :(

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@javigongon wrote:


Hi there!

First of all, forgive me for my english, i learned it a lot of years ago and its a little rusty.

Ill try to explain:

Im new to copters, just finish my first build, a DJI F550, but im no having so much luck at the moment, because a i have crashed the two times that i have flown.

It was the same the two times, just a test flight, 1-2 meters of alt and trying to maintaining the position, and suddenly the copter stops responding to me and gains like 3 or 4 meters of altitude. In that moment i tried to change the flight mode, but had not response, and finally, cut off the throttle. The copter continued in that position like two second, had a little position change, but i think that´s because the wind, and finally it fall to the ground.

Prior to that, i was flying like 5 or 6 minutes flawlesly.

There is a log capture of the moment of crash, any ideas would be so appreciated, because right now, i just dont know what to do. The red line is when it started to fail.

crash|690x404

Thanks in advance guys.

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How to build ArduPlane with library target for Pixhawk and view serial output

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@sdeal3 wrote:

I am new to using arudplane and have been successful uploading the firmware to a Pixhawk 4 using ./waf and connecting to Mission Planner. Now I was following the tutorial on the wiki explaining how to build an example library and I haven’t been able to get that to work.

I run the commands in a windows linux terminal:
$ ./waf configure --board=Pixhawk4
$ ./waf build --target examples/INS_generic --upload

and the build seems to execute successfully and ends with the output

Build commands will be stored in build/Pixhawk4/compile_commands.json
‘build’ finished successfully (3m39.033s)

However, when I try to connect to a serial terminal on PuTTY (COM9, 57600) to view the output it fails to connect. I have also tried mavproxy with the command

$ mavproxy.py --master=/dev/ttyS1 --baudrate 57600 --setup

and the output that I get is

Connect /dev/ttyS1 source_system=255
Log Directory:
Telemetry log: mav.tlog

and no other output, not the output of the library that I was expecting. Additionally, in case its relevant, when I try to run

$ mavproxy.py --master=/dev/ttyS1

I get the output

Connect /dev/ttyS1 source_system=255
Log Directory:
Telemetry log: mav.tlog
Waiting for heartbeat from /dev/ttyS1
MAV> link 1 down

MAV>

Doesn’t seem like that is working either. Any ideas what I am doing wrong? Thanks

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Support for Travel to Ardupilot Unconference 2020 part 2

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@iampete wrote:

Topic: Support for Travel to Ardupilot Unconference 2020 part 2

Proposal type: Hardware [ ] , Software [ ] , Other [X] : Travel Expenses

Description: Matt (@IAMMATT) and I would like to attend and present at the ArduPilot Unconference 2020. This would be a fantastic opportunity for us to meet and work with our GSoC mentors as well as the wider dev community. We would like to present individually on the work done during and post the GSoC period.

We are both based in the UK and the travel costs represent a significant barrier to us at this time.

I am requesting support to help cover the costs of flights (LHR->SYD, Economy), my half of the shared accommodation for the pre-unconference meet-up, and shared accommodation for the unconference itself. The quoted value below includes accommodation at the proposed hotel for the conference. The quoted value is for my half of the accommodation contribution only.

Any support will be greatly received.

Many thanks in advance,

Peter

Planned amount $$ (USD): $1518.00

Estimated time for completion: Mar 2020

This is my half of the original Proposal so as to get the total less than $2000 as advised by @tridge

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The qground control can't received full set. of parameters

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@xingxing wrote:

Hi, I use ULRS( ultimate long rang system) to improve the rang of RC and telemetry signal. Everything works fine except the qground control which is the mobile version. the qground control can’t received full set. of parameters.i gues
s the lost rate too high, but it’s not too much noise in the flight field, becase the other guy using this system have the same problem. is this bug of qground control? can anyone resolve this problem?!
Screenshot_20191102_001355|690x332


hardware: F405 wing
software: arduplane3.9.9 chibios
mission planner works fine
QGC of mobile version works fine with 3DR telemetry

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FCU time inaccurate?

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@rjameson wrote:

I’m looking at the SYSTEM_TIME Mavlink message coming from my Ardupilot, and the Unix time field is ~1.3 seconds in the future from the Unix time on my desktop. I would expect them to be closer together since Ardupilot is presumably getting its time from GPS (BRD_RTC_TYPES is 1) and my desktop is ntp-synced to time.nist.gov. Any ideas where this is coming from? I was originally thinking leap seconds, but the Ardupilot code looks like it’s adding the right number (18). Communication latency could explain an Ardupilot time in the past, but not in the future.

As background, my system will have a companion computer with an inaccurate Linux time and a sensor that has a gps timestamp but a significant and variable amount of latency. I need to correlate the GPS timestamp from the sensor to the attitude message from Ardupilot. The attitude message is timestamped with the boot time from the FCU, but I can get the offset from the Unix time to the boot time from the SYSTEM_MESSAGE. The whole scheme falls apart if the time on the FCU isn’t accurate relative to the GPS timestamp, however, which explains my query. Is there a better way to do this?

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Dijkstra: cloud not find path

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@lumono wrote:

When the rover stop in the fence or close the fence, switch to auto model, the rover does not work, stop there. I have to manually move rover to leave the fence.
In the case, if rover fail to go in to the fence, how it get out from the fence.

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Fence is unavailable to write to pixhawk 2 when use 915MHz data transfer on QGC

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@lumono wrote:

When I use 915MHz to write fence to pixhawk on QGC, get error. But if use USB cable, it works. I have to link a USB cable to test rover follow rover running.
When switch to 915MHz transfer/receiver, the fence feature is gone. It looks the fence is not written to pixhawk 2.
How it works fence feature on QGC using 915MHz transfer/receiver.

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Different Pixhawk Models comparison

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