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Onboard Image Processing (Find red disk in green field)

Started by Jake Kutrufis. Last reply by Randy 1 hour ago. 21 Replies

I would like to add a computer vision to my quad. My end goal would be to have the quad stop and hover over a certain object (red disk in green field) when it comes in contract with it during a…Continue

Graphene batteries

Started by Cala. Last reply by Gary Mortimer 1 hour ago. 6 Replies


The average operator has 1.5 drones

Started by Darius Jack. Last reply by Paul N Braida M.E 8 hours ago. 1 Reply


APM quadcopter user, i get strange Compass-Motor Calibration (compassmot) results?

Started by Nick. Last reply by Clifton Hipsher 20 hours ago. 5 Replies

Hello. I did the compass motor calibration various times and checked the results.I have APM 2.6, external compass + gps module UBlox Neo-6M, turnigy plush 12Amp ESC's, and a 2.7Ah battery. The apm is…Continue

Tags: gps

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Comment by Colin Henderson on June 2, 2013 at 1:53pm

Hi All I am having a problems taming the throttle on my hex. I'm new to the hobby so bare with me on this but while on the ground tuning if i up the throttle about a third and stop the motors continue to accelerate on there own quite a bit more in a slow build. Dropping the throttle does not immediately slow them until i,m down at 0 throttle. As you can imagine testing in flight has given me some real grief! Any ideas would be most welcome. Is the problem with the ESC's or the APM settings?

Comment by Gonçalo Abreu on May 26, 2013 at 7:28am

Funny thing happened to me yesterday. I have a fully fuctional APM 2.5 qith NEO-6M. Every mode is tested and it works. But for some reason i activate LOITER, it worked for like 10 sec, and then it shooted in a direction until i activated STAB mode again. I'm running 2.9.1b. Should i go through the logs and be worried?

Comment by sid on May 21, 2013 at 8:03pm

Hi Jani,

              Sorry , You are quite right. It was not an year ago but long back perhaps more then two years. My bad. Sorry. Time flies.

               Thanks for your prompt reply. I am looking at a stable hover with GPS and altitude hold , auto take off and landings + auto landing on fail safe  for Quad. I am comparing the same with DJI NAZA. Ofcourse the cost of NAZA is high but I am looking at the features. I saw NAZA performing well for all above requirements. I am looking at Aerial photography application. Will it perform at par with NAZA ? Does it have auto home location storage feature on power on ? Can I use the same without a computer and a modem in the field ?

I already have MediaTek GPS. Do I still need to buy one ? If I need to buy something additional for better performance , I do not mind.

Kindly guide me so I can proceed further.

Thanks n regards.



Comment by Charles lakins on May 21, 2013 at 2:00am

I think in all fairness since its very conception every release is a pre release its forever changing the numbers are just mere reference for builds some might work for some and not for others

Comment by Vikrant on May 21, 2013 at 1:31am

Randy, Thanks for the update on 3.0 release.

When is the final release trending towards? I'm just a little hesitant to try a pre-release build.

Comment by Jani Hirvinen on May 21, 2013 at 12:58am

Sid, i really doubt that it's year ago. it's more like 3 years ago.  jDrones was separated from FahPah at end of 2010. If you log on you should find your earlier order from there. 

True current software does not fit anymore to 1280 CPU board.  1280 CPU board was announced to be End-Of-Life on software support over 1 year ago. You can still manually compile software that fits on it but you need to disable many features to make it happen.

I suggest to upgrade at least your main CPU board or whole flight electronics to get future updates.

or whole new APM2.5+ electronics


Jani / jDrones

Comment by sid on May 21, 2013 at 12:03am

Comment by sid on May 21, 2013 at 12:01am

Hi I had bought the APM hardware one year back from Fah-Pah , Thailand and succesfully flown the quad. I see a lot of development since then but I was occupied with my personal issues. I am back to my passion now but while trying to upload the latest version i.e. 2.9.1.b it says firmware too big for 1280. Please upgrade your hardware. I can understand the same but is there a way out or do I need to buy the new hardware. I can not shell out more money at this point. Is there a way I can use the tested firmware which can be used on this hardware ? Pls advice. Thanks. SID

Comment by John McGrath on May 20, 2013 at 3:02pm

Thanks Bill I might just do hang out for the Taranis.  I fly lots of Scale models (plane) and the Aurora is my main radio. I think buying a dedicated radio would be the right thing to do.

Comment by Bill Bonney on May 20, 2013 at 2:33pm
@john. Your HiTec will be perfect. If you want to buy a new TX though wait for the Taranis from FrSky. It uses Open9x firmware so is awesome for drone use. And it's only $200!

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