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Hugues
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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 Charles Blouin's blog post Transport Canada to investigate ''Roman Candle Attack''
"I really find this video FUN. It is about two guys celebratng a birthday party whith fireworks in a very safe environment and context: absolutely no risks of setting fire to anything nor harming any third parties. The drone use is anecdotal;…"
19 hours ago

MR60
Hugues commented on Matthew - Swift Radioplanes's blog post Lynx M: 3 Hour Mapping Endurance
"Don't you damage the camera payload in your deep stall landing method ? It looks awfully violent and I'm sure it would kill the lens on my NEX5 ! What foam are you using around the camera ? (EPP ?)"
Friday
Bortek replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Here is an update after I have done my tests yesterday. I can confirm that passthrough works, at least for my needs, which is passing through radio signal to gimbal controller (Martinez with Alexmos in my case) to control camera pitch. I had…"
Friday
Olex S. replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"RC8 can only go to motor #8 output. The RC and AUX numbers map to each other - RC9 can be output to AUX1, RC10 to AUX2 and so on. I can look up the exact parameters I used when I get home from work later today."
Thursday
Bortek replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Olex I am curious how did you achive that? That will be my backup plan in case if passthrough to motor out will not work. How do you setup for example to passthrough RC8 fed via SBUX to AUX1 ?"
Thursday
Olex S. replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Are you quite sure about that? I have RC Passthrough working perfectly on AUX3 and AUX4 on my Pixhawk, fed by SBUS channels 11 and 12, correspondigly."
Thursday
Mike Kelly replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"None of the RCX pass through can be mapped to Aux ports. Pass through is only available to motor outputs. So if you are not using some of your motor outputs you can pass through a transmtter channel to the corresponding motor output. For instance…"
Thursday
Bortek replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Hugues, unfortunetely not all receivers support that. For example Futaba R6303S has 3 PWM outputs and one SBUS. You get 8 or 10 channels via SBUS while direct PWM outputs you have a choice of different channel groups on output1 and output2 for…"
Thursday

MR60
Hugues replied to Randy's discussion Copter-3.3 beta testing
"This problem was already present in 3.2.1 as you can follow…"
Thursday
Olex S. replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Not all receivers do this. For example, the FrSky X4R-SB only outputs CH1-3 and SBUS."
Thursday

MR60
Hugues replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"If you just want the signal, why go through pixhawk then? Couldn't you more simply use two free receiver's PWM outputs directly to your application ? (I do not know futaba receivers but with FrSky receivers you get both the SBUS output and…"
Thursday
Olex S. replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"If you only need a PWM signal from the passthrough outputs, you don't have to connect servo rail power. And yes, you need a ground connection alongside the PWM signal between the Pixhawk and the gimbal controller."
Thursday
Bortek replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Huges, Thanks for quick reply! I think what I have missed is Arming the Pixhawk, I did not think it was neccessary. Will give it a try. Regarding powering of Pixhawk's servo rail, do I really need to do it since I only want to take out a PWM…"
Thursday

MR60
Hugues replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Hi Bortek, The logic is that the pass thru works using the same RCx ouput number as the receiver channel. So if you want to pass through your receiver's channels 7 and 8,you go in full parameters list in mission planner. You look…"
Thursday
Bortek replied to Hugues's discussion How to assign a receiver channel as a pass-thru Pixhawk ? in the group ArduCopter User Group
"Hi I have a R6308SBT receiver connected and working fine with Pixhawk via SBUS. I want to passthrough channel 7 or 8 and connect it to my gimbal input pins to control the pitch of my camera. Still struggling to make this work on my Pixhaw, but no…"
Thursday

MR60
Hugues commented on Joshua Johnson's blog post CAD Drones - NEW Drone Recovery Parachute System
"Hi Joshua, this looks liek a nice product. it would be nice to get a (step by step) explanation on how it works and indeed a video of it in operation. It it works, it is indeed quite competitive in terms of pricing."
Wednesday

Profile Information

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

Hugues's Blog

AirbotServices' style Ardurovergasmistic gaming !

Posted on May 11, 2015 at 10:27am 20 Comments

Hi,

Let us present AirbotServices' style Ardurovergasmistic week-end gaming - lvl 1. It is mandatory to pump the volume up when watching this video.

This all-terrain monster consists in a Pixhawk controller running latest Ardurover code installed in a 6…

Continue

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

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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