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Mobile turret system


Best Answer Venerable Steve , 01 October 2011 - 05:48 PM

Oh i am in Sydney and I got the XRFs (XBEE pin compatible wireless ) instead of the XBees they worked well and are cheaper 10 or so pounds each from the UK you need 2 of them for coms to work. Also have a picture of them on my site. The shields to get them working were about 10 dollars each from HK. http://sites.google....irupa/monotreme go to page 6 for the pictures. Go to the full post


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#1 Michael Walker

Michael Walker

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Posted 27 July 2011 - 09:56 PM

Hi All,

I have been working on a mobile turret system for a month or two now. The parts of the system (so far) are listed below, I have written a socket server for the Netduino Plus to take commands from any device on the same network. I have also written an Android app for my Galaxy Tab that just connects to the open socket and sends the needed command.

Vids:

Explination
http://www.youtube.com/watch?v=mn07GgBlPjM

Ported to Android
http://www.youtube.com/watch?v=Zicdbg84f_A

Parts so far:

Pan/Tilt
Full rotation servo
180 servo
Netduino Plus (duh)

I have managed to get the project working quite well (thanks Chris Seto for your servo driver class!), I now need some advice on a few things:

I have done some research on the forums here and found a wi-fi solution here but the breakout costs as much as the Netduino, if I bought this would it be much work to put it on a blank board myself (keeping in mind I have 0 exp with electronics)?

After resolving the wi-fi I believe the next hurdle will be power requirments, the system will have a car battery available to it so It would be good if I could hook into that to power the boards and the servos, I have read it is better to power the servos seperatly because of current requirments not sure how I will do that either...

The end result I am looking for is a mobile turret that will have a spotlight attached which is controlled using my Android app.

Any help, advice or comments would be great!

Thanks,

Michael

P.S. This is my first post :D

#2 ScottyG

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Posted 22 September 2011 - 03:33 AM

Hey Michael, I think we are heading in the direction. I built a pan tilt but used 200 step stepping motors, attached a laser pointer and took a long exposure photo. The conclusion for me is that i will not get the resolution i need with these motors in a simple pan tilt configuration. If you are mounting a spotlight i assume that you are looking far into the distance, perhaps you may not get the resolution you need either.

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#3 Venerable Steve

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Posted 01 October 2011 - 05:48 PM   Best Answer

Oh i am in Sydney and I got the XRFs (XBEE pin compatible wireless ) instead of the XBees they worked well and are cheaper 10 or so pounds each from the UK you need 2 of them for coms to work. Also have a picture of them on my site. The shields to get them working were about 10 dollars each from HK. http://sites.google....irupa/monotreme go to page 6 for the pictures.




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