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Project: PSOne Screen, finished...for now.

Discussion in 'Project Logs' started by foxx, 3 Apr 2005.

  1. Reaps

    Reaps New Member

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    Errr, i know that i shouldn't crap on peoples ideas but, why don't you just buy a pda with wifi... Doing what you've done, which fair enough is suited to needs that you've decided that you have, is a bit of a 'waste' of a decent lcd screen.

    *shrug* each to their own
     
  2. Bboy_Jon

    Bboy_Jon New Member

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    ya i was thinking hey maybe the csync and i tried it and it still didnt work

    maybe its because its being used on the dvi port with a vga adapter?
     
  3. sk8phreak88

    sk8phreak88 Member

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    Maybe to solver your problem with the mouse not beingthere you could get one of those keyboards that have the mouse built into them? Like they have the ball in them... Not sure of the name of them but I'm sure you know what I mean.
     
  4. foxx

    foxx New Member

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    UPDATE

    Can a PDA do this.(UPDATE)
    [​IMG]
    [​IMG]
    [​IMG]

    And here is the "hook" I used this time.
    [​IMG]

    Well because like I said I am just going to use the numberpad.

    Soon I will get a triplet lense and start on the projector. I am surprised no one has suggested something for me to do.
     
  5. CYRiX

    CYRiX New Member

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    ... :wallbash:
    Yes technically one can.
    What is the built of those little kiddie fun twist ties?

    Rofl, whats with the "facial hair"? Just admit you haven't gone through puberty.
    Damn did you rape that dog jeez it looks like its in pain.
    You know making a projector WORK involves way too much stuff to have it be "removeable"...
    I am really sure that that one IM window is extremely useful (looks like it...I have a tip but want to see your rebuttle)
    Why don't you use it to watch porn so you can push it away so you dont get in trouble...(do you know what porn is?)
    Thats all I have to insult you with out reading your "Article" in detail.
     
  6. foxx

    foxx New Member

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    I couldnt stop laughing when I read your post.

    But first, twist ties what twist ties?

    And I modded that pic because I dont want to show my real face on the net, It was sopposed to look fake.

    How would you feel if you had your toy taken away. Raping dogs come on...

    Ahh, thats were your wrong. Take a look at this(what I am using).
    http://www.audiovisualizers.com/madlab/lcd_proj.htm
    I can easily make a small "hook" to hold it up to a peice of wood with a hole in it instead of the lcd inside the projector. Easy access!

    Its not just for IM, I mean the other day I was surfing bit with it.

    Oh, an idea, tell me!

    Porn hehe I dont use it for that of cource not, its just a perfect size to carry over to my bed and hide under the covers. But what would people think if I said "portable porn".

    I aint stupid. but for the ones who are. http://www.answers.com/porn&r=67
     
  7. CYRiX

    CYRiX New Member

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    That like hook thing is called pipecleaners, i forgot what they were called.
     
  8. foxx

    foxx New Member

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    Try again. Its acualy coat hanger cut up and bent.
     
  9. foxx

    foxx New Member

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    YAY, final UPDATE
    So I finaly got a lense and made a box cut a few holes and poped in the screen.
    [​IMG]
    Then I found a white sheet and clipped it onto the wall for a test.
    [​IMG]
    Unfortunutly I couldnt get a picture of the projection no matter how many ways I tried. But I did pop out the old sewing machine and made a nice cover.
    [​IMG]
    Now just cause I like typing(ya right) I will tell u I only used the lcd's existing backlight, some wood I found, a magnifing glass, cloth, and a fan. I am going to do a mod to were the picture is brighter so hopefully you will be able to see it in action. And guess what I didnt even have to take apart the screen, and it can easily slip out and be put on my keyboard or what not. I realy enjoied this mod hope you did to.
     
  10. infered101

    infered101 New Member

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    I hate to tell you that is pure ghetto right there. Im pretty sure all of you know what ghetto means and that fits it.

    what is the blue thing next to the projector in the last picture.
     
  11. foxx

    foxx New Member

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    Cool. The thing thats blue in the bottom left corner is my clock projector, in the bottom middle is a snow globe and in the middle rigth is another snow globe.

    EDIT: Got a question, there is this mod that allows you to make the screen brighter with leds. Does it work the same with the cathode backlight.
    MOD:http://www.extremetech.com/article2/0,1558,1765358,00.asp
     
  12. adamjones01101

    adamjones01101 New Member

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    First, You cannot project anywhere near the amount of light needed for this projector to work, from the existing backlight. If you look at any of the real projectors, they use Metal Halide bulbs that are approx. 10-15" long, and put out anywhere from 400-1000 watts of power. Second, I suggest if you want to continue with the projector idea, then you should visit the Lumen Lab forums, because there is at least one person on there who has completed this exact project. If you want to make it professional, I suggest trying to source used parts from eBay, as that is going to be the widest and best source for you. If you really want help, I'll go into a bit of detail right here about it.

    What you will need:
    1. An LCD that you are comfortable f***ing up if you make a mistake.
    2. A 400-1000W Metal Halide bulb w/ballast
    3. A reflector shield of some sort (preferably a scrounged metal bowl or something similar)
    4. Two Fresnel Lenses (what an overhead projector, or OHP, uses, but glass, not plastic)
    5. Thermal isolation glass (to keep the heat of your lightbulb from reaching the LCD and burning it out)
    6. A case (MDF is a good material to make it out of)
    7. A triplet lens (for zooming and focusing, can be salvaged from an old high-quality camera)
    8. Mirrors for reflecting the light to a specific path, assuming you want to keep the assembly as compact as possible.
    9. Last but not least, a computer cooling fan, because the lightbulbs get HOT!

    Then, read some guides and build one!
    (Like I said, do some research before you jump right in, because these projectors can be a really cool project if you don't mess it up.)
     
  13. foxx

    foxx New Member

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    I disagree with what you are saying cause if I neaded all that stuff then how did I make mine without it,

    I agree with you in the picture could be better but I am going to do a mod to make it better(to do it I enad you to answer my question ^^)

    And I think you are confused, my screen isnt that far from my wall thats why it doesnt nead such a bright light. And my screen isnt a hundered incher only about 50, another reason why I dont nead all that stuff.

    EDIT: EXCEPT THE FAN.
     
  14. adamjones01101

    adamjones01101 New Member

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    I assume that by this you mean you're going to do the VGA mod to it. Again, this only interpolates the resolution to 640x480, though this should be enough for normal TV, considering this is what normal TV resolution is (except HD). If you're planning on playing any games, plan on playing Pac-Man and Centipede, because 640x480 looks terrible on games like UT and CS.

    I'm telling you, a CCFL backlight is nowhere near bright enough to project a 50" image out of a magnifying glass (at least not clearly enough to see). For one, you're going to be way out of focus, because your focusing mechanism is one lens, without controlled perpendicularity. Two, the light output from the CCFL in the screen is only 4.4 candela, which is not even rated in lumens, because the output is so low. Plus, the contrast ratio on either a PAL or NTSC PSone screen is only 200:1, which makes your blacks look grey, and will totally wash out your image. I really suggest if you're going to do this, even with this screen, do your research, otherwise you're setting yourself up for failure. I know how these things work. Just trust me that you're going to need more stuff.

    By the way, if you doubt any of my numbers, I have the only online manual that you can possibly find about the actual backlight/LCD combo (LTS500Q1, in case you want to try to search on your own)

    I'm not trying to crap all over your project, in fact, I would really like to see this work, and I think it can, but it needs a lot more work before it can. I really would like to help make this a reality for you.

    BTW, if you're just using the backlight, there's no need for a cooling fan, as the screen doesn't get anywhere near hot enough to do any damage to itself. It has the tolerances built right in to withstand heat greater than you have ever felt it put out.
     
  15. foxx

    foxx New Member

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    I know you probibly do know a lot about this and such but,

    I dont nead a fresnel lense cause what they do is take an imgae and more or less bend it into a small beam to be opened and expaneded by a magnafining glass or triplet lense. Now I figured out that if my magnifing lense is big enough that you wouldnt even nead a fresnel. And my glass is is larger than my screen.

    No, I already did the vga mod(read)I just like to use composite. THE mod was to brighten the backlight by bypassing a resister but on the site(if you had read) it says it is for the white led mod. Now I was wondering if I did the mod (to brighten the screen) with the backlight it has instead of the leds would it work the same.
    - On a simalar note I measured the projection at the monent and it is around one meter.

    Now I was looking at the projection last nigth and decided to get a variofocal caouse it was vary poor.

    HOW DO YOU LIKE ME NOW.
    [​IMG]
    Unfortunutly it is to small so I will have to get a fresnel.

    P.S. Another thing on the light is if you close my door and turn of my room light it is pitch black, another reason It works ok. But I realy want it to be brighter so answer the question.

    P.P.S. I did do my reasearch, if you look at some of my previus posts(in other threads) you will see.

    EDIT: Also I stuck in a thermomiter(without fan) and it read around 80-90 degrees, so the fan does help.
     
    Last edited: 13 Apr 2005
  16. foxx

    foxx New Member

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  17. CYRiX

    CYRiX New Member

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    sigh...
    I just want to know if you actually have the picture not flipped, cuz I bet it is.
     
  18. foxx

    foxx New Member

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    Flipped? The only image flipped (by technical means(not croped)) is the drop down Im, and thats only the Im box.
     
  19. adamjones01101

    adamjones01101 New Member

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    He doesn't mean flip-down, he means flipped. Like, for example, if you are at all familiar with optics (which, no offense, it doesn't appear that you are), then you know that a lens will reverse the image, thus needing to have the image source reversed to compensate.
     
  20. foxx

    foxx New Member

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    Ya thats what I meant, I flipped the image on the screen for the flip down IM so I could read the Im. And acualy I nead help flippping the image for the projection. I can rotate the image but I nead to also flip the horozontal so the mouse is correct. ENy good programs I have already looked in my settings and have tried everything there.
     

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