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ArduCopter User Group

Discussion group for ArduCopter users

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Latest Activity: Apr 16

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DUPLICATING output PWM on several PINs

Started by Roberto Apr 12. 0 Replies

Hello,I wonder if it is possible to adjust ardu-software parameters (I need it for a boat, but the same question applies to a plane or a mutlirotor), in order to DUPLICATE output PWM on several PINs,…Continue

Tags: Y, duplicate, multi-engine

building your own APM hardware with arduino mega2560

Started by shanthosh ravikumar. Last reply by Joe Bredestege Mar 22. 6 Replies

i am trying to build the hardware itself .... as of now i have a i2c based mpu9150 only... i'm planning on buying the other sensors soon and maybe make a sensor sheild !! i have tried uploading the…Continue

Handling servos in ArduCopter.cpp

Started by Bernabe Puente Moure Mar 4. 0 Replies

Hello everyone.I am a developer with many years of experience but a complete newbie in Ardupilot.I'm trying to modify the ArduCopte.cpp controller to add the servo handling functionality just as…Continue

quadcopter model dynamique identification

Started by telli khaled. Last reply by telli khaled Mar 2. 3 Replies

hello everybody I confused about quad-copter model identification , since the quad is unstable in open loop ,then how can I identify it since is unstable ??? but if I add a controllers in loop of…Continue

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Comment by John McGrath on July 24, 2013 at 10:05am

@Oliver  thanks buddy I appreciate that info. Always learning :-)

Comment by Oliver on July 24, 2013 at 8:43am

@John McGarth

John, if the hex isn't level on the ground or if it has been rotated after arming the motors may spool up quite differently from one another as the craft is trying to orient itself, very noticeable if you are applying only a little throttle. The test is to spool up to where the hex is light on its feet, or even just lifts off. If there is indeed a problem you'll know it then. I got spooked by the same thing early on.

Comment by John McGrath on July 24, 2013 at 8:21am

Ok just brought the Hex into the shop hooked everything up again to diagnose issue and the motor works 100% i tapped on the esc etc etc.. seems to work fine.. A possible glicth with the apm? Interesting.

Comment by John McGrath on July 24, 2013 at 8:11am

Need a little help here. I have a month old Hexa from 3Dr. I was testing my gimbal this morning and when I when to launch one of the motors was not spinning much should I look at the motor going out or esc?  A month old not good at all.

Comment by mark on July 24, 2013 at 7:33am

Hi Wayne, Bill, et al,

I just uploaded a video of my setup and apparent problem.

https://www.youtube.com/watch?v=beOt-r2cU7s

I am really excited to get this thing in the air. I believe it has all the components... but I must be not doing something correctly.

Any advice/ suggestions are more than welcome.

Thanks to all viewers,

mark

Comment by Wayne Morris on July 24, 2013 at 5:37am

Mark, if you have the power module, you don't need the jumper. If you don't use the power module you can use the jumper. It should have some with the APM controller. It is a small black square. This is a jumper like is used on a hard drive and other electronics to select options.

Look at this link to see the options on powering.

http://copter.ardupilot.com/wiki/common-apm25_overview/

Comment by iskess on July 23, 2013 at 11:12pm
Mark,
When I said do a "reset" I don't mean hit the reset button, I meant via CLI, type in 'SETUP', 'RESET' and it wipes your board clean back to factory defaults. Then I loaded my parameters, then my GPS started working. I have no idea if this is your problem, but I had the same symptom and that's how I got it working again.

Developer
Comment by Bill Bonney on July 23, 2013 at 8:52pm
@mark: please go to http://copter.ardupilot.com for step by step setup instructions. I'm assuming you have the APM Power module so there is no need to use the power supply from the ESCs. This means you less likely have a brownout and a crash. If you have any further questions, raise then as a forum discussion as its much easier to discuss the particulars. Thnaks

(Wow: autocorrected from setup to stupid. That's definitely not what I meant!)
Comment by mark on July 23, 2013 at 8:34pm

@Wayne, so I would need that jumper in order to power it like I would the kk2 board correct? Sorry if I sound like a newbie... I am! Where could I get such a jumper?

Comment by mark on July 23, 2013 at 8:30pm

Thanks @Wayne. Man, I really want to get this thing set up! More tomorrow. Thanks all!

 
 
 

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