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ArduCopter User Group

Discussion group for ArduCopter users

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An assembled kit for learning to code for control theory?

Started by XJZeng. Last reply by Craig 7 hours ago. 11 Replies

Hi all, I'm hoping that my question is not too open ended.I'm interested in learning how to code the control systems for quadcopters. As a start, I would like to look into solving the equations and…Continue

Coax 8X quad

Started by David Pulvermacher. Last reply by Forrest Frantz yesterday. 4 Replies

Is there any reason why one cannot add four pushers to a quad using just four escs to control all the motors?I know that there would be no redundancy with that configuration, but there is an…Continue

Non-responsive RC Input in Loiter Mode

Started by Austin Madson. Last reply by leonardthall on Saturday. 11 Replies

Hi all,I recently switched to an external GPS/compass (3DR) and resolved some EKS variance issues I was having. Woohoo. So, I went out today to test a few things (Loiter being one of them). When…Continue

tarot t4-3d gimbal compability with pixhawk

Started by Nichon. Last reply by B Petru on Friday. 5 Replies

Anyone managed to get pixhawk to control the t4-3d gimbal?i've tried following the same steps in the wiki but that was for the 2 axis gimbal…Continue

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Comment by William Shaler on July 11, 2013 at 1:57pm

Has anyone used the condition DO_DISTANCE? What exactly triggers that?


Developer
Comment by Randy on July 11, 2013 at 5:27am

@Andrew re issues with position hold on AC3.0.1, could you come post the logs on the AC3.0.1 release thread?

Comment by andrew goodwin on July 11, 2013 at 2:19am
3.0.1
Have had brilliant results with this,
But !
Couple of days ago while testing pos hold my quad went off on its own, no response to controls, went up to 20 odd mts then wandered over to where my car was parked, then shut down (just missing my car)! Also just test hovering quad very twitchy, motors pulsing, like p settings way too high, but they not altered from before, any ideas ?
Comment by Bo Barry on July 10, 2013 at 10:14am

Failsafe & Turnigy 9X:  OK I'm a beginner, still Googling before my first flight. I thought the Turnigy 9x was popular/good/cheap/etc, but have found it does not provide any failsafe functions.

Here's my approach around this, rather than switching to FrySky.

I'm using the 900MHz telemetry system, & running Mission Planner on a small laptop. I read it has a further range than the 2.4GHz Turnigy. So I plan to monitor the battery voltage and whatever else I need, with the telemetry and hopefully do any needed 'recovery' actions.

A question: Does the Arduflyer 2.5 & the MP & the Turnigy 9x allow monitoring the signal strength of the 2.4GHz signal. I think the RSSI is the telemetry signal strength?

Any info appreciated

Bo Barry    

Comment by Dan Skaggs on July 6, 2013 at 7:08am

Just did CLI test on GPS and it seemed to report it was fine.

Did CLI test on compass and report said "Not Healthy".

Comment by Dan Skaggs on July 6, 2013 at 6:49am

I just noticed/confirmed, Mission Planner Flight Data page gives message, "No GPS". I had GPS when I first loaded firmware and flight data showed it locked on my house - 3 days ago...

Comment by Dan Skaggs on July 6, 2013 at 5:55am

Tx in mode 2.

No signal from Rx is recognized by the board unless I'm in ESC calibration.

I can calibrate ESCs, but can't arm the system afterwards. Also, I now don't get a GPS response.

Comment by Mike Boland on July 5, 2013 at 1:14pm

Just swap over the cables from roll and yaw.

What mode is your Tx in?

Comment by Dan Skaggs on July 4, 2013 at 6:45pm
Mike, Tx is set to acro. Throttle bar was only moved in MP by throttle, but Rudder was moved by roll & roll was by rudder. That's why I initially thought receiver wires were wrong, but they checked out right (see Logan's comment below). Now I can't get board/ESCs to initialize.
Comment by Dan Skaggs on July 4, 2013 at 6:38pm
Bo, good thought, but I read the same note about trimming throttle - tried it but no change.
 
 
 

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