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  • Jose Alberto Soler
  • Kira Hu
  • Tony K
  • Kode sai susheel praneeth
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  • jon c
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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. 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. 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. 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 :


◾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

saTxRxasis commented on Hugues's blog post Alexmos brushless gimbal PID settings : share them with the community
"Hey guys, I need to know if my gimbal config were good. I use 2 axis alexmos with 2204 260kv motor on roll and pitch. The camera was Xiaomi Yi that weigh around 70 gr. The setup I've been use was GoPro setup with these value: PIDs: Roll: P =…"
4 hours ago

Hugues replied to Tom's discussion Economical Multi-rotor That Can Lift 15 pounds for 20 Minute Flight
"Thx Brian for explaining your frame design. will you produce a smaller version for 16" props? would be interested."

Hugues replied to Tom's discussion Economical Multi-rotor That Can Lift 15 pounds for 20 Minute Flight
" Nice frame Brian. Was this self built or is it a comercially available frame ? "

Hugues commented on Chris Anderson's blog post Intel announces new Aero drone development board based on Dronecode PX4 software
"it is typical and disgusting how the big heavy players reuse work done freely by communities to brag false inmovation in the media. Further every engineer on this planet knows an Atom processor is not capable of real time vision processing.  I…"
Aug 18

Hugues replied to Cala's discussion Testing SF11 altimeter over soybean in the group Agricultural UAVs
"Thx, that would be extremely useful for agriculture usage. Let us know when the product will be ready with this feature.  "
Aug 15

Hugues replied to Cala's discussion Testing SF11 altimeter over soybean in the group Agricultural UAVs
"So how does the lidar know that is is at the altitude from the ground and not from the top of the crop plants ?"
Aug 14
Waladi commented on Hugues's blog post Sony QX10 mod for remote wire shutter trigger
"@stanley: unfortunately the quad crashed along with the camera. Never had chance to test Hugues suggestion to solder the Focus wire to the shutter wire but I'm sure that is the solution for my blurry image problem. If you already have the…"
Aug 6
Maxx_UAV commented on Hugues's blog post Anti Jello mount for Mobius brushless gimbal
"Thank you for your feedback Hugues !"
Aug 6

Hugues commented on Andreas Jochum's blog post Auto mission with NicaDrone's EPM cargo gripper documentation
"Nice. And here an actual 1 MILE auto delivery mission using the EPM gripper: "
Aug 4

Hugues commented on Hugues's blog post DALRC XR215 V2 FPV Racer Build
"Glad if it helps your site, Gary."
Aug 2
Gary McCray commented on Hugues's blog post DALRC XR215 V2 FPV Racer Build
"Hi Hugues, It is perfect for my site which is possibly a bit more beginner and general purpose oriented than this one. Full attribution to you will be made and a link back to this post as well. My sites are getting to be in considerable need of…"
Aug 1
Cala commented on Hugues's blog post DALRC XR215 V2 FPV Racer Build
"Not the ship, the FPV camera, it's jumps during colision over an emerging crop and I never find again knowing perfectly the crash place, It was a mystery :O "
Aug 1

Forrest Frantz commented on Hugues's blog post Sub One Kilo project
"Is the plasti dip easier than the electrical spray? And when referring to plasti dip, do you mean I…"
Aug 1

Hugues replied to Cala's discussion Any experience with Li-HV batteries? in the group ArduCopter User Group
"Hi Ale, I have tested the LI-HV 3S 5200mah from HK. I find it excellent and it is giving me 33 min flight time as I showed here: "
Aug 1

Hugues commented on Barbara Grant's blog post Deleting my previous post on my UAV imager book
"I'd like to find arguments (scientifc ones) showing advantages to use UAV for imaging rather than satellites or planes. Do you have this in the book ?"
Aug 1

Hugues commented on Hugues's blog post DALRC XR215 V2 FPV Racer Build
"@Gary, thx for this feedback, I appreciate it. Of course you can use/link this for your site. @Cala, i think you have serious aliens or gremlins attacks in your area :) How can a FPV ship disappear ?"
Aug 1

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Hugues's Blog

DALRC XR215 V2 FPV Racer Build

Posted on July 31, 2016 at 4:43am 8 Comments


As a follow up of my latest blogs about FPV hardware, here is a build video. The build is made with the following components:

-DALRC XR215 V2 Full Carbon Fiber Quad Frame for FPV Racing FPV Build in OSD BEC BB Ring:

-Foxeer XAT600M DC5V-22V 600tvl Sony Super HAD…


FPV racer hardware review : Flycolor 4 in 1 F3 board

Posted on July 20, 2016 at 6:58am 1 Comment


This is a hardware review of an interesting product for FPV racers. I do not know for how long it exists but I could not find any other reviews on youtube.

This product consists in an integration of mutliple components you would otherwise need to solder and assemble together with lots of wiring, thus saving weight and making a…


Review & history of flight controllers for FPV racing (MultiiWii branch)

Posted on July 3, 2016 at 1:52am 18 Comments

I was going to refresh my old FPV 250 racer built two years ago with an "old" Naze board and an "old" baseflight firmware. Not surprisingly, the whole firmware landscape has changed dramatically and I had to investigate quite a bit to bring me up to date with current states of affairs (lots of new firmware versions, new flight controller…


Anti Jello mount for Mobius brushless gimbal

Posted on June 25, 2016 at 11:32am 17 Comments

To suppress vibrations & jello in videos taken by very lighweight camera brushless gimbals is a challenge as none of the classical methods are working well. The more weight, the easier it is to manage vibrations. When you combine extreme lightweight gimbal with a CMOS sensor technology, you'll get very prone to the so called "jello"…


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.



At 12:11am on March 20, 2013,


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

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…


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)


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…


/ / / / / / / 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!


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

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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