MR60
Hugues
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  • Brussels
  • Belgium
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  • Ibrahim Lassa
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  • Marshall Cant
  • paul hill
  • Tom
  • Benoit Pereira da Silva
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  • andrea bozzi
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Hugues's Groups

Hugues's Discussions

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

Started this discussion. Last reply by Hugues Mar 4, 2014. 5 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

Sonar minimum distance ?

Started this discussion. Last reply by Leif Hedman Jan 9, 2013. 2 Replies

Hello,I have installed the sonar XLL-EZ0 on the quadcopter (3DR). Then I launch a sonar test though the CLI in the mission planner software. The arducopter is connected via USB only (no battery).The minimum reading with the sonar command is 20 cm.…Continue

Tags: EZ0, 3DR, Sonar

Power for analog pins (servos for roll/tilt, sonar, etc)

Started this discussion. Last reply by Hugues Dec 28, 2012. 3 Replies

Hi,On a 3DR quad arducopter, I am powering the APM2.5 with JP1 off and using the 5v input from the 3DR power module BEC (connects through the voltage measurement port).This powers , If I understood correctly, all of the APM2.5 boards including the…Continue

Tags: power, module, 3DR, servos, pins

 

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


MR60
Hugues commented on Thomas J Coyle III's group ArduRover User Group
"@Tom,Niall, thx for your advice's. What online shop sells this e-maxx chassis and NEU motor?"
yesterday

MR60
Hugues commented on Randy's blog post Multi-Vehicle testing with APM:Copter, Tracker and Mission Planner
"That's impressive and something new (to me). Thx for the explanations."
Monday

MR60
Hugues commented on Ron Joly's blog post Part 2 My Parts List for Giant DIY Octocopter
"What payload weight will you carry to do your magneto surveys? You might have a wrong configuration to use such big props on low kV motors to survey quarries. It will not resist typical whirling winds of these environments. For that you should aim…"
Sunday

MR60
Hugues commented on Thomas J Coyle III's group ArduRover User Group
"Hello, I have to investigate on a rover platform for a customer who will use it in agriculture fields & forests dirt. What platform would you advise me to investigate : a wild thumper ? a tank tracked chassis ? thx"
Sunday

MR60
Hugues replied to Felix Meissner's discussion LidarLite working correctly? - SOLVED
"Thx for the explanation. It is quite non sensical but I hope they will correct that in 3.3 final. Do you deliver the lidar lite with the cable that fits into their proprietary connector ? Do you deliver the board manufactured post February 2015 ?"
Sunday

MR60
Hugues replied to Felix Meissner's discussion LidarLite working correctly? - SOLVED
"nice video. I did not understand what is that weird action you do at the end by moving the copter off the table to initialize the sensor ??"
Sunday

MR60
Hugues replied to Cala's discussion Original pixhawk in China? in the group PIXHAWK
"very nice !"
Sunday

MR60
Hugues replied to Felix Meissner's discussion LidarLite working correctly?
"Thx Felix for bedugging lidar lite and wiki documentation. It will save me a lot of time as I intend to install one on my XUAV Talon. I can't find it for sale on your web site though ?"
Sunday

MR60
Hugues posted a blog post

3D printed week-end goodie: Adjustable COG battery mount

Hi,To make center of gravity (COG) 's tuning easier when attaching your battery on its ship, here is a quick and simple 3D printed sliding battery mount…See More
Friday

MR60
Hugues commented on Hugues's blog post 3D printed week-end goodie: Adjustable COG battery mount
"Here are the separate trays, see end of post."
Friday

MR60
Hugues replied to Cala's discussion Original pixhawk in China? in the group PIXHAWK
"About power module, wait a little, airbotservices and Arsov have a little surprise...soon"
Friday

MR60
Hugues replied to Cala's discussion Original pixhawk in China? in the group PIXHAWK
"Hi Cala, I understand the confusion with the 3DR Pixhawk as Foxtech is here infringing opensource rules by reusing the exact same commercial name and by not disclosing their board is based on opensource PX4 hardware. Or maybe it is not even based on…"
Thursday
Splenkingforth replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"This did help me indeed thanks... :-)"
Apr 29
Alp ÖZDEMİR commented on Hugues's blog post 3D printed week-end goodie: Adjustable COG battery mount
"I'm using makerbot desktop software. there is only  bottom plate on makerbot desktop. Please separate it. "
Apr 28

T3
Thorsten commented on Hugues's blog post 1h:15min flight time - Airbotservices X4 with brushless gimbal & fullHD camera on 12mm rail system
"@Hugues, unfortunately I had no time to look into the details so far. Not sure about Paul's patch but Holger's patch implements some progressive long term integration of GPS alt to correct baro alt. Hi hope to find some time next week…"
Apr 27

MR60
Hugues commented on Hugues's blog post 3D printed week-end goodie: Adjustable COG battery mount
"Hi Alp, the STL files contains both plates. Do you need separate files ? If yes i can split it for you."
Apr 27

Profile Information

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

Hugues's Blog

3D printed week-end goodie: Adjustable COG battery mount

Posted on April 25, 2015 at 9:00am 5 Comments

Hi,

To make center of gravity (COG) 's tuning easier when attaching your battery on its ship, here is a quick and simple 3D printed…

Continue

World's first : the lightest 2-axis brushless gimbal carrying a full HD camera

Posted on February 21, 2015 at 10:30am 33 Comments

Hi,

Inspired by Forrest Frantz with his multicopter building techniques using glue only, no screws (see here) , helped…

Continue

MavExcel : an Excel sheet to modify your Pixhawk's failsafe parameters via mavlink

Posted on December 9, 2014 at 4:52am 3 Comments

This is a continuation of my previous blog "how-to-write-set-a-pixhawk-parameter-using-the-mavlink-protocol"; where I fixed myself a little technical challenge to…

Continue

Comment Wall (9 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, Alejandro Cadavid 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, Alejandro Cadavid 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, Alejandro Cadavid 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?

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