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How to Rotate Screen?

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Demon-Seed:
Its been awhile since I attempted a build...but I soon will make another cabinet! I am looking at doing a rotating screen, however I had many questions. I have read a few posts where guys made rotating screens with motors, however to be blunt, I am slow, and could not exactly figure out how they did it....

I was wondering if there was a kit, a parts list, a how too, a walkthrough, a tutorial for dummies (ok you get the picture) on how I could do this?

Since a monitor is rectangle, how do they get the bezel to spin too?

What options are available to make the screen rotate? I would prefer the easiest method of course :)

Whats the cost? is it cheaper to make a vertical only cabinet? space is an issue in my home.. so the idea sounds cool.

With mame, can it auto rotate the screen when a player selects a vertical game? or would I have to press a key?

Thanks
Jim

chopperthedog:
http://forum.arcadecontrols.com/index.php/topic,108897.0.html

http://forum.arcadecontrols.com/index.php/topic,108836.0.html



good day.

TopJimmyCooks:
I got your pm, replying here. 


--- Quote from: Demon-Seed on September 01, 2013, 12:40:12 am ---
I was wondering if there was a kit, a parts list, a how too, a walkthrough, a tutorial for dummies (ok you get the picture) on how I could do this?

--- End quote ---

DNA dan's thread is the closest to a tutorial on friction wheel drive rotation.  I assume one of Chopper's links above is to that, otherwise search DNA dan.


--- Quote from: Demon-Seed on September 01, 2013, 12:40:12 am ---Since a monitor is rectangle, how do they get the bezel to spin too?

--- End quote ---

I used a fixed bezel with a square opening- the monitor rotates behind it.


--- Quote from: Demon-Seed on September 01, 2013, 12:40:12 am ---What options are available to make the screen rotate? I would prefer the easiest method of course :)

--- End quote ---

Friction drive wheel with usb control is in my opinion the easiest way.  there are complications that can be added - parallel port drive instead of usb, h bridge control instead of motor controllers, different drive schemes including fully geared/stepper motor (ond style) chain/sprocket drive, edge of wheel drive, rope drive, pull it out and put it back in sideways drive (lechuck).  There are different means of rotation - lazy susan (DNA dan) axel and pillow block (Ond, Khalid74) edge mounted with a bike rim, etc. 

you have to match your rotation method to the size and weight of your display.  small LCD is easier than large CRT.


--- Quote from: Demon-Seed on September 01, 2013, 12:40:12 am ---Whats the cost? is it cheaper to make a vertical only cabinet? space is an issue in my home.. so the idea sounds cool.

--- End quote ---

The friction wheel method I used added about $100 in parts from Pololu and the hardware store. 


--- Quote from: Demon-Seed on September 01, 2013, 12:40:12 am ---With mame, can it auto rotate the screen when a player selects a vertical game? or would I have to press a key?

--- End quote ---

yes, although you need mala as the FE to send rotation commands.  if you use hyper spin or another fe you may need to do autohotkey scripts to call for rotation.  Mame can handle giving the FE the information about whether the game is horizontal/vertical.  it's in mame.xml. 


Demon-Seed:
I thought that there was a topic where it listed exactly all the parts and how to do it? I can not remember who it was... but the items were from Paulo or something?? I have looked up "DNA" in member search and I have had no luck with a DNA Dan?

Jim

TopJimmyCooks:
Apologies - should have looked at the threads that CTD posted above.

these two have what you're looking for. 

My system, including DNA Dan's parts list from Pololu, etc., see reply #13:
http://forum.arcadecontrols.com/index.php/topic,112424.0.html

DNA Dan's original build:
http://forum.arcadecontrols.com/index.php/topic,110471.0.html

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