Replies to This Discussion

Permalink Reply by Shawn Wang on August 8, 2012 at 7:03am

Michael, Thanks for your quick reply. Now I explain what I need.

Current pan servo's movement, e.g. clockwise direction:

--0～360 degree（or less, I don't know the exact end point of the software), clockwise. Fine

--360+1 degree, counter-clockwise move, and back to 1 degree. Tracking lost during the back movement.

What I wanna:

--0～360 degree（or less, I don't know the exact end point of the software), clockwise rotation

--360+1 degree, clockwise, move to 1 degree positon directly, without back that 359. continous rotation

--360+179 degree, clockwise, continous rotation

--360- 180 degree, counter-clockwise, back rotation

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Permalink Reply by Joseph on March 31, 2012 at 4:44pm

I am having issues with setting up my pan and tilt cam on servo out 5-6. They are not moving with the USB joystick. I was looking at the settings with the config section and I have no idea what settings to change and to what.
Help would be great. Thanks

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DeveloperPermalink Reply by Michael Oborne on March 31, 2012 at 5:07pm

leave all the other axis as "none" and set 5 and 6 to the axis fo the joystick. to check it open "raw sensor view" so you can see if its working. it might be a setting for the output on apm thats not working

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Permalink Reply by Joseph on March 31, 2012 at 9:17pm

Yeah. I have axis 5-6 set to the joystick but nothing. Is there a param that needs to be set in the config file?

I will look at the tool you added in the previous post. Thanks

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Permalink Reply by Joseph on April 1, 2012 at 9:31pm

I got it working but the countinuous rotation servos have no center since the pot is removed so they will not ork for this operation. :( but I had a 180 and a 90 deg servo that I have in it till i find a better alternative. 

Thanks for all your help and support.

is there a way to stop the servos from returning to center when you let go of the stick in the software that is? a setting in the param, or something like that?

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DeveloperPermalink Reply by Michael Oborne on April 2, 2012 at 3:03am

you can adjust the channels trim value to find the center.

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Permalink Reply by Joseph on April 2, 2012 at 9:06am

There is no ceter on the continuous rotation servos. They are open loop. They are the ones modified by servocity.com. On the 180 and 90 servo I don't want them to ceter when the joystick is released. How do I set that on the software.
Thanks for all your support.

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DeveloperPermalink Reply by Michael Oborne on April 2, 2012 at 3:50pm

the servos do have a center, you just need to find what pwm that is and set that as your trim value for that axis

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Permalink Reply by Dan Ho on April 2, 2012 at 9:46pm

Hi,

I think Michael is right - there has to be a center point because the servo must still have position feedback (earlier you mentioned the pots were removed).  If there's no position feedback, then how would the s/w be able to tell the servo where to point or how far to move?  Even if it was initialized with a known servo position or direction, it seems to me the servo would quickly get out of sync with where the controller was telling it to point.   Plus, I'm sure the s/w isn't set up for an 'open-loop' servo like that.  If your servos truly have the pots removed, then you would have to add pots somewhere else on the antenna mount and connect them to the servo amplifiers where the original pots were connected.  Or am I totally missing what you're saying?

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Permalink Reply by Colin Bouriquet on April 15, 2012 at 5:54am

Michael, i think i'm missing something about the antenna tracker... How does it know the GPS position of the antenna in order to follow the plane turning around it ? Is there a setting to define the postion of antenna ?

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DeveloperPermalink Reply by Michael Oborne on April 15, 2012 at 6:09am

it uses your home position. so make sure thats is where the antenna tracker is located.

 

if you let the ap init, then just drag the homer position in the flight planner screen, it will dynamicly move.

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Permalink Reply by Colin Bouriquet on April 15, 2012 at 5:26pm

Thanks Michael... This antenna tracker is brilliant!... amazing feature.

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