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Hugues
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Hugues's Groups

Hugues's Discussions

How to use SITL simulated vehicle to test a real antenna tracker ?

Started this discussion. Last reply by Jakub Oller May 16, 2016. 4 Replies

Hello,I would like to test a real antenna tracker, driven by a Pixhawk and the antenna tracker firmware,  which is setup "in the middle" : on one side the antenna tracker is linked via 3DR radio to the vehicle, on the other side, it is linked to a…Continue

What is the status of 3DR radios?

Started this discussion. Last reply by Art Feb 3, 2016. 5 Replies

A user reported on this forum a 3DR representative announcing 3DR is stopping the 433 and 915 radios. I assume this is incorrect information or is it? Can a 3DR official give the real status?If 3DR really stops the radios, what could be reliable…Continue

AirbotServices's light 45gr Mobius 2 axis gimbal+vibrations tests

Started this discussion. Last reply by iskess Jul 28, 2015. 4 Replies

Finally found a bit of time to test the light 45gr 2 axis brushless gimbal we built for the Mobius camera,PS for Cala : better late than never ;)Continue

Tags: lightest, gimbal, Brushless, camera, Mobius

How to configure CAM_TRIG_DIST to ouput a PWM signal from a Pixhawk output ?

Started this discussion. Last reply by Jim Kahmann Jun 13, 2016. 6 Replies

Hi,I would lile to use the Survey function in mission planner which uses the CAM_TRIG_DIST method to trigger a camera at regular distance intervals.I'm using an infrared camera trigger which is activated by a PWM signal (configurable).The question…Continue

Is Minimosd incompatible with Sony NEX5R ?

Started this discussion. Last reply by Hugues Jan 7, 2014. 17 Replies

Hello,I'm trying to use my Sony NEX5 camera as a FPV camera using this HDMI AV converter :…Continue

NEVER connect a Capacitor backup or voltage protector on APM board

Started this discussion. Last reply by Hugues Nov 19, 2013. 71 Replies

Hi,Edit : from the posts below I deduce the issue seems specific to my config. Threfore I remove temporarily my request to add a line a caution in the wiki as it might not be a general problem for everyone, until further investigation and…Continue

[PROBLEM] Mission planner updater error

Started this discussion. Last reply by dudz Apr 17, 2013. 5 Replies

Hi,I launched today the mission planner that started an auto update. It starts downloading files updates (as visible in the console window) but after 2 minutes it stops with error, giving this display and error message:…Continue

LEDs use on APM2.5 board

Started this discussion. Last reply by TJ Feb 2, 2013. 1 Reply

Hello,I have seen a picture in the Wiki for the 2.0 APM board showing ouputs A9 to A4 being named "Motor LEDs".Is there any explanation what that is and how is it used ?For example can those outputs be used to power 12Volts LED strips ? (or is it…Continue

Programming with Arducopter/Arduino

Started this discussion. Last reply by duster3 May 6, 2013. 15 Replies

Hello,I would like to compile and upload the Arducopter code to my UAV. To do so I followed the instructions on the wiki, that is :-installed the Arduino 1.0.3 (Arudpilot) version on win7-installed the 2.8.1 software version (the two folders…Continue

Tags: Arducopter, Arduino, Programming

 

Hugues's Page

◾ About Me:

◾I'm the founder of AirbotServices that provides UAV expertise and services for professionnals. We aim more particularly at serving the agriculture, real estate and industrial sectors.
Web site : www.airbotservices.com

Background:

◾Engineer - Ecole Polytechnique of Brussels (ULB), specialization in Telecom & Electronics
◾MBA - Solvay Business School (ULB).

Please tell us a bit about your UAV interest:
◾I dove into the subject a few years ago when I was searching how to upgrade a very bad camera on my 8 years old son's remote controlled helicopter.
◾I found the diydrones community on the basis of which I built up this passion.
◾Contributing Blogger and Editor of DIYDrones APMcopter and APMplane wikis.
◾Currently developing AirbotServices products and services.

Latest Activity

Vaggelis replied to Hugues's discussion Pixhawk external LED? in the group ArduCopter User Group
"hello everyoneive being trying for qute a while now to emulate toshiba led with an arduinoinitaly i had problems with the arduino protocoli used this git repo : sgofferj/Ardupilot-Neopixel Use Adafruit Neopixel LEDs as external indicator LEDs for…"
Aug 17
Waladi commented on Hugues's blog post uBlox ZED-F9P new GPS test (and comparison to M8 series)
"Thanks Hugues, great work as always.. Do you have any tutorial on how to use it as PPK solution ?"
Jul 14

MR60
Hugues posted a blog post

uBlox ZED-F9P new GPS test (and comparison to M8 series)

Hi,This is a quick test and comparison between uBlox F9 and M8 series GPS. uBlox ZED-F9P is a multiband GPS that theoritically gets a better precision and faster acquisition.Test was done using Ardusimple's SimpleRTK2B evaluation board.Cheers,HuguesSee More
Jul 5

MR60
Hugues posted a blog post

ARX-R V2 world's fastest and ligthest 5/6" frame : anyone tried with Arducopter yet ?

ARX-R V2 frame is the fastest 5"/6" class quadcopter currently on the market. It is a beautiful piece of engineering that has been developed by Ryan at https://quadstardrones.com/Flight videos of Ryan here :…See More
Jun 16

Profile Information

Please tell us a bit about your UAV interest
All UAVs topics
Hometown:
Brussels

Hugues's Blog

uBlox ZED-F9P new GPS test (and comparison to M8 series)

Posted on July 5, 2019 at 9:09am 1 Comment

Hi,

This is a quick test and comparison between uBlox F9 and M8 series GPS. uBlox ZED-F9P is a multiband GPS that theoritically gets a better precision and faster acquisition.

Test was done using Ardusimple's SimpleRTK2B evaluation board.

Cheers,

Hugues

3" Arducopter PID tuning

Posted on March 23, 2019 at 11:31am 1 Comment

Maiden flight and PID tuning of a 3" microquad (Arducopter)

Enjoy

Comment Wall (11 comments)

At 10:26pm on March 19, 2013, Oliver said…

Hi, I just posted the parts list with some notes in the comments below my original post on the gimbal.

Cheers,

Oliver

At 12:11am on March 20, 2013,
MR60
Hugues
said…

thx

At 12:52pm on November 7, 2013,
MR60
Forrest Frantz
said…

Didn't want to say this in the crowd.  But I think mass distribution has a bearing on the PIDs as does distance from the respective axis.

Example:  Say there is a rectangular cubic battery pointing fore and aft at CG on a symmetric quad copter.  Say the rotors are 20 cm from their axis and the battery is 10cm x 2 cm.

o The torque factor exerted in pitch over the battery would be 20/(10/4) = 8 to 1

o The torque factor exerted in roll over the battery would be 20/(2/4) = 40 to 1

If you have two steel wheels of the same mass, the larger one will be more difficult to get rolling (there is a larger change in momentum).

So it is 5x easier to roll than pitch.  I think that should be accounted for in the PIDs?  But maybe I'm wrong.

Of course this is an extreme example where everything else weighs nothing, so the differences in ratios are never that high.  But it is common I think for the factors to be up to 1.5X.

Your thoughts?

At 1:42pm on November 8, 2013, Tyler McGahee said…

Yeah, the PIDs are definitely affected by the "mass distribution" (moment of inertia), as well as by the motors and propellers and ESCs and the control algorithm and on and on. I don't think it hurts to list the PIDs though. Could save some time when starting from scratch on a similar or identical rig.

At 10:37pm on November 21, 2013, HobbyColombia said…

Hello,

A curiosity ... as I turn apm 2.5 and esc with 2 separate batteries.

Battery 1: APM 2.5 and FPV
Battery 2 Engines - BECS (servos)

Unrecognized?

Thank you!

At 7:28pm on March 11, 2014, HobbyColombia said…

Ardupilot on PX4 + IO won't arm motors.

Hi I have the same problem Mystery 30A ESC's ...

You Might explain "load up the firmware ArduCopter" Bootload firmware?

System works without problem, arm and disarm perfectly.

Safety Switch OK.

Calibration OK, ENGINES TURN.

Connect and disconnect battery and ESC sounds uncalibrated, not save settings.

/ / / / / / / Can not save the ESC Mystery Calibration and PX4FMUIO / / / /

At 1:11pm on March 12, 2014, HobbyColombia said…

Hi,

/ / / / / / / Can not save the ESC Calibration in PX4 FMU IO / / / /

You know it could be?

Another question.

You know how I connect to OSD Remzibi px4 as if telemetry data and to see video on my monitor?

We appreciate evidence.

Thanks for you time.

You are responsible to give answers of diydrones community? curiosity!

Thanks.

At 8:11am on August 26, 2014,
MR60
Forrest Frantz
said…
At 1:45pm on December 15, 2014,
MR60
Forrest Frantz
said…

4 motor mounts and 4 tube plugs, cut, lightly sanded, ready to ship, and after you clean, ready to adhere.

Where do you want me to send them?

At 9:25am on August 18, 2015, Rafael Fontela said…

Saw an old post from 2013 title Tiger motors-propellers combinations for an heavy lift octocopter, where after testing several motors props combinations you chose the Tiger 3510 360Kv.

I'm trying to upgrade my 3dr x8+ to be able to extent the flying time while increasing the payload to be able to use about 1200 extra grams for camera equipment etc.  At present my drone is equipped with the motors and props that come from 3DR ( SUNNYSKY V2216-16 KV800) and by them the drone will be able to lift 800 grm while having a fly time of 15 mnts (by what I have read more like 10).

I was wandering if you think that using the Tigers and the props combination I could achieve the results you had, also whether

I could run the 6s batteries.

Thanks so much for your time

 

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