Replies to This Discussion

Permalink Reply by Wilfred Swinkels on Thursday

Hi Drone,

thanks for the reply 

its not that difficult on the 8 bit front, just fire up your soldering iron :-D

There are 3 Carmens on this site can you tell me which Carmen is the one to ask the questions to?

Thanks, Wilfred

Permalink Reply by Drone Savant on Friday

Well Wilfred... unfortunately it was sort of a joke. I doubt she can help you, (although per her job title she *should* be able to) but I was talking about carmen@3drobotics.com, the person managing support & QA for 3DR. 

http://www.linkedin.com/pub/carmen-o-rourke/54/719/358

Permalink Reply by Boston UAV on January 5, 2013 at 2:57pm

Post pictures of your wiring?

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Permalink Reply by Jimmy robson on January 6, 2013 at 6:52pm

hey guys thanks for the help, im pleased to let you know i have a particular problem with my esc's i have to power them before my board to actually initialize them, i've adjusted all my PID's and have a successful quad, 

i appreciate your help, my next problem is my mission planner, everything works perfect except after a few flights my flight mode no longer goes into AUTO, every time it goes into AUTO it changes to loiter immeadiatley, i've recalibrated the radio and changed to swtiches instead of the petentiometer but nothing!,

any help would be greatly appreciated

And i'm definatley not discouraged this is my third quad and my first open source so to speak, its been a great effort to actually go from parts to a quad that sits stable at 50m for FPV flying, very very pleased. I just need to get this mission planner flight mode problem sorted ! cheers guys

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Permalink Reply by Drone Savant on January 6, 2013 at 7:08pm

Good to hear that a *known* ArduCopter codebase issue was the root of your issue rather than the fact that you bought a board from ArduFlyer. This same issue is known to occur with Turnigy branded ESC's it is some sort of timing issue. http://diydrones.com/forum/topics/esc-arming-issue-turnigy-plush-40

What radio gear are you flying with? It could be that your signal is not that accurate and you are right on the edge of a specific pwm value. I have seen this specifically with the Turnigy 9x gear. There is a channel drift so to speak. Here is a 40 minute time lapse of Transmitter Drift on the 9X

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Permalink Reply by Jimmy robson on January 6, 2013 at 7:18pm

yer its a 9x, its acurate on the radio calibration but jumping into loiter as soon as i it auto, although only just started doing this, 

any advice?

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Permalink Reply by Drone Savant on January 6, 2013 at 8:32pm

how much do the numeric values jump while just sitting there?How are your mode switch positions currently set? Keep an eye on the Current PWM value on the screen below. Also... double check your TX battery, sometimes PWM values get really glitchy as battery dies. 

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Permalink Reply by Steven Taylor on January 6, 2013 at 9:05pm

Jimmy I am having the same problem with the same board. I have had no problems flashing and setting it up or even with the flight modes. Just can't get the damn thing to arm. I'm working on my second tri. What the heck are pid's? And did you just power the esc and then plug them into the apm?

http://www.hobbypartz.com/proton30aair.html
Those are the esc I'm using.

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3D RoboticsPermalink Reply by Chris Anderson on January 6, 2013 at 9:20pm

When you say it won't arm, do you mean the APM won't go through it's arming cycle (flashing LEDs, then a solid one when it's armed), or that once it's armed the motors don't turn? If it's the former, the problem is probably on your RC side. If it's the latter, it's your ESCs.

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Permalink Reply by Drone Savant on January 6, 2013 at 9:32pm

"Just can't get the damn thing to arm." 

Make sure that your roll and or pitch are not reversed you may for example be trying yaw right and in reality you are yawing to the left or something along those lines. 

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Permalink Reply by Steven Taylor on January 6, 2013 at 9:45pm

thanks guys for the super fast reply

chris- the red light blinks and i cant get it to arm(stay solid) but i can get my esc to auto calibrate.

Drone - mission planner shows everything is pointing in the right direction but i have moved the stick in all corners.

I'm still kinda of a noob but when i hook up my kk2 board everything works.

http://www.youtube.com/watch?v=5QacnAgQmQw&feature=youtu.be

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3D RoboticsPermalink Reply by Chris Anderson on January 6, 2013 at 9:47pm

And you're sure you're in Stabilize mode? (Not one of the auto modes. For safety's sake it won't arm in auto modes. This is one difference between a full UAV and a basic RC copter.)

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