2.3" LCD for projector?

daguuy · Post by **daguuy** » Sun Oct 02, 2005 12:37 pm

i found a thing on hackaday that a guy put the LCD of a 1.8" pocket TV into a slide projector to turn it into a data projector. that gave me an idea because i have an old slide projector and could get a hip/interact screen. would that work with a 2.3" LCD or is that too big? i can't show you the site because it's bandwidth is all used up

G-force · Post by **G-force** » Sun Oct 02, 2005 12:40 pm

Yeah it should work. It's basically the same thing. You would just need to adjust the projector lense to fit it. I've seen one made from a 5" PSone screen, so I guess just about any LCD will work.

atkafighter · Post by **atkafighter** » Sun Oct 02, 2005 12:47 pm

I saw something similar but it used a slide projector. It was pretty neat, but making a large projection with it makes the pixels visible. You can actually see the red, green, and blue in the projection.

daguuy · Post by **daguuy** » Sun Oct 02, 2005 1:05 pm

actually that'll be an improvement over my 30 year old 5' TV

it's resolution is so low it can't handle most DVDs

superdeformed · Post by **superdeformed** » Sun Oct 02, 2005 6:01 pm

A normal slide projector won't work. The lenses aren't made to pick up anything bigger than a slide (usually 2" diagonal). A medium slide projector would be big enough though.

Post by **Triton** » Sun Oct 02, 2005 7:13 pm

would a 35mm filmstip projector work? i might be able to gwet one next year, this one garage sale (they have one anually) has one that never gets sold, i could get it for a few $

superdeformed · Post by **superdeformed** » Mon Oct 03, 2005 8:38 am

It would work if your LCD was 35mm (1.38")

. Slide/film projectors generally have lenses designed specifically for the size of slides/film that they are projecting. If you try and adjust the projector lens further away in order for it to pick up all of the screen, you would end up with a ridiculously short throw distance (the distance you need to have the lens from the surface its projecting on in order to have it in focus). Which, needless to say, would not work out very well.

daguuy · Post by **daguuy** » Mon Oct 03, 2005 7:47 pm

i just found out i have an older much easier to mod projector that has a pretty big lens thing to put the LCD in front of so it shoud work fine. what are the exact dimensions of hip/interact screens (H x W)? if it'll fit, i might want to buy one eventually.

superdeformed · Post by **superdeformed** » Tue Oct 04, 2005 8:13 am

Older isn't necessarily better. What kind of light bulb is in it? I get the feeling that that thing would incinerate the LCD

.

daguuy · Post by **daguuy** » Tue Oct 04, 2005 5:02 pm

pretty big hologen bulb. it's actually cooler than the bulb in the newer projector. i also have a zillion extra computer fans if i need them

daguuy · Post by **daguuy** » Mon Nov 07, 2005 7:09 pm

how long is the ribbon cable for hip screens? i'm seriously considering getting one if i can find a cheep one but i need to know if it can reach down into the place the slides go. also, does anybody have a pic of all the hip gear guts spread out so i can see how it's all aranged?

nos_slived · Post by **nos_slived** » Mon Nov 07, 2005 7:16 pm

Some of the threads such as this on Ladyada's forum have some good pictures.