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Rotating monitor construction *Project finished*
XyloSesame:
When are one of you going to start building these for the rest of us transistor-impaired folks?
Cornchip:
I actually consider myself as transistor impaired. I won't let my disability stop me. I'll let you in my progress as it happens.
Cornchip.
koz319:
--- Quote from: Cornchip on November 04, 2007, 09:51:53 am --- Also...is the pdf file from koz319's link the exact screen to make the H Drive with no changes keeping my switch? I think I might just be able to get these parts local to where I am and avoid Digikey.
Cornchip.
--- End quote ---
That looks to be the PDF file you could use to etch your own board if you like, if thats what you are after. The hbridge itself doesn't need to change to support manual switching. If you have a decent electronics shop in your area , they will most likely stock these components or their equivalents
You should be able to connect external switches and the LPT port - I would definitely use the 'select' method that DaOldMan illustrated, to avoid any conflict between auto and manual modes. One thing to remember though, if you do use a manual switch, you will still need to manually handle the degauss.
I didn't put a switch on my cab, I just created two shortcuts on my desktop to batch files that call rotate.exe. One rotates clockwise, the other counterclockwise. When i click one of the Icons in my quicklaunch bar the screen turns. (Or the batch files can be called from any other programs.)
--- Quote from: XyloSesame on November 04, 2007, 11:08:08 am ---When are one of you going to start building these for the rest of us transistor-impaired folks?
--- End quote ---
A few months back I put out a feeler to see if anyone was interested in having a few of these made, and there wasnt really any interest.
See this post:
http://forum.arcadecontrols.com/index.php?topic=63216.msg632075#msg632075
If there is any interest now, this could still be done. A few bucks could be shaved off by not including terminal strips, db25 sockets or parallel cables, just let me know.
--- Quote from: DaOld Man on November 04, 2007, 09:59:39 am ---but the 5Kohm resistor is just to protect the H drive inputs by limiting the current flow. This resistor may not even be necessary.
--- End quote ---
IMHO, the current limiting resistor is a good idea here..
I also think DaOldMan has a good point about wiring this yourself. It's a fairly simple circuit, but if your new to wiring things like this on a breadboard, it may be a little more difficult than it appears at first blush. Im' mot trying to be discouraging at all, I think anyone should be able to build it with a little patience. You just may want to have a few extra parts handy. (get a few xtra of each)
Koz
DaOld Man:
--- Quote from: XyloSesame on November 04, 2007, 11:08:08 am ---When are one of you going to start building these for the rest of us transistor-impaired folks?
--- End quote ---
I truly wish I could build these for people, but I really dont have the time. (Maybe this would be a good retirement job for me instead of the wild idea about an arcade.)
I suggest you take Koz319 up on his offer, or order one already built and ready to go:
http://www.pololu.com/products/pololu/0705/
Kox319 has this link on his website also.
27 shucks including shipping aint too bad.
XyloSesame:
--- Quote from: koz319 on November 04, 2007, 04:05:31 pm ---
--- Quote from: XyloSesame on November 04, 2007, 11:08:08 am ---When are one of you going to start building these for the rest of us transistor-impaired folks?
--- End quote ---
A few months back I put out a feeler to see if anyone was interested in having a few of these made, and there wasnt really any interest.
See this post:
http://forum.arcadecontrols.com/index.php?topic=63216.msg632075#msg632075
If there is any interest now, this could still be done. A few bucks could be shaved off by not including terminal strips, db25 sockets or parallel cables, just let me know.
--- End quote ---
I am very interested; however everything I'm reading warns to not attempt anything without an understanding... and I'm still trying to absorb and understand the workings and application of these devices and motors and their relationships to monitors and arcade cabs. It's a bit overwhelming to a complete novice...
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