ArduCopter User Group

Discussion group for ArduCopter users

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Discussion Forum

'uBlox 6M GPS Module V2' and APM 2.5.2.....WTF!!!

Started by mark. Last reply by Mike 7 hours ago. 15 Replies

Does anyone know wtf is up with this 'uBlox 6M GPS Module V2' that i just got from RTFquads? I just set this board up and i am trying to get this all going but for some reason it isn't being seen by…Continue

what frsky receiver for pixhawk?

Started by Hugues. Last reply by Martin Gornitzka yesterday. 33 Replies

Hi,I am building a quad with a pixhawk fc. Pixhawk does not support normal PWM receiver inputs. Therefore I need to get a PPMsum compatible FrSky receiver.The last X8R frsky receiver does not support…Continue

Pixhawk external LED?

Started by Hugues. Last reply by Randy on Thursday. 8 Replies

Hi,Anyone succeeded to install external LEDs on Pixhawk?On APM we could configure the param Led_mode to a binary value representing which actions turn LEDs on A5 and A6.Is there an equivalent feature…Continue

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Comment by Andreas M. Antonopoulos on August 7, 2012 at 9:55pm

I got one (jDrones IO board) and I'm trying out the new MAVLink-capable firmware for it. 

Have you seen the online documentation?

3D Robotics
Comment by Chris Anderson on August 7, 2012 at 9:52pm

Anybody using the jdrones IOboard (LED driver) with ArduCopter? I just got three and am looking for tips on how to use.

Comment by Michael Pursifull on June 12, 2012 at 6:05pm

I feel like I'm having a mental block trying to figure out what's going on with Seyan's copter. He's had it running for some time, and recently it started having problems with stability. Can someone take a look at his post and see if you can spot the issue? I didn't ask if his filters are soldered, but I feel like this is a problem I've seen, and just cannot remember where/why.

Comment by Adam Rivera on May 8, 2012 at 2:13pm

Bradley: Nice work! You have come a long way in a short amount of time. Glad it went well :-)

Comment by Bradley J Carr on May 8, 2012 at 2:12pm

Just made my first FPV flight yesterday with my 3Dr quad.  I must say I have practiced this on my Real Flight software and was comfortable to try on my quad.  After getting off the ground I think I just about soiled my shorts!!!  Way different than the simulation.  Made successful flight!  But I was shaking before I was done.  Thanks for Alt_hold and RTL.  My quad was safely returned to ground with no harm done.

3D Robotics
Comment by John C. on May 2, 2012 at 3:30pm

Gustav, I agree.  My APM2 quad has been sitting for a few weeks now, because it worked extremely well for me.

In those weeks, I took the APM1 that was in the quad, and moved it to a Zephyr II.  It's fun to watch that thing come back and circle over-head.  Good FPV confidence builder. The minim/arducam OSD has been working well for me too.

We should make a map of people who are willing to be "local help".  It would be good to meet others, and help pass on some of the basics.

Anyone done a world-wide map like that before on the web?  Seems like it would be most effective integrated into the support arm of the wiki/forums on this site, but that's not my call.

Just a thought.  I'd sign up to help out.

Comment by Gustav Kuhn on May 2, 2012 at 1:41pm

Same old, same old..

After having a beer or six too many, I flashed the latest code using Micheal Oborne's fine MP into my stock standard quad, setup using the the default(old) values, and proceeded to hover in my small living room.

Very stable, no yaw issues, best/crisp throttle response ever.

I'm using a DX8 with telem on the flight pack, flew until the battery warning came on.

So I'm going to have to say this...

If your quad/hexa/octo, in stab mode,  does weird things like falling out the sky, flipping over, yaws like a drunken sailor (or me, tonight), you did something wrong.

Not using recommended parts, prop rotation wrong, motors not soldered properly, ESC's not calibrated correctly, batteries not rated for the current draw, batteries flat/not charged correctly, wiring incorrect/too thin/bad solder joints.

I've been in the AP scene almost exactly one year now, and RC since 1980.

In this year my quad crashed exactly twice, a prop came off the front motor, and the power lead pulled out of the APM.(ok, I did fiddle with the wiring prior, and didn't check)

And another two or three where I flew into trees.( Hey, my backyard is only slightly larger than my living room:-( )

I suppose, what I'm trying to say, is, unless you have a pre-assembled and checked quad/etc., and you have problems, it is due to your own build.

I do repairs/builds for a LHS, and we've had exactly one factory fault apm.

If you are having problems, I bet there are stacks of APM type people near where you fly.

And SEEING the quad/whatever, probably is a much faster way to diagnose your problem, than posting on the forums.

I for one, don't mind trying to help on the forum, but I would much rather put an eyeball on the actual aircraft.

Nobody is going to think less of you doing it this way, unless you don't follow the given advice !

Comment by Chris Kreuzer on April 25, 2012 at 11:27pm


Are the UART0 and UART0/2 Pins are the same?!? Can I connect minimOSD to the one and 3DRadio to the other?!?

3D Robotics
Comment by Chris Anderson on April 22, 2012 at 1:14pm

Thomas: Try doing the MP setup again. You may have your + and x setting reversed. 

Comment by Thomas Rutter on April 22, 2012 at 9:01am

HELP!!!  I'm new, but a highly experienced heli guy.Just finished a large, (840mm) custom hexa. It worked perfect. Then I downloaded an update and now my aileron stick thinks it's an elevator. Not good. Do I need to do a reset and load in an older version? Even my code writing hacker genius buddy couldn't figure it out.

Advice would be appreciated. Thanks in advance.


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