DIY- homemade projector

Step 5 Attach the lcd

i got this lcd from ebay for 28bucks just type in 2.5 inch lcd reverse monitor or something like that it needs to have the composite input (red yellow white plugs) if it only has the yellow one thats fine. so once you get it unscrew it and be very careful because the lcd is easy to break , take the metal case off the lcd and all the plastic filters until you can see through the screen(it will still be bury to see through) then place it infront of the fresnel lens (it should be upside down and backwards) when your picture is the right way on the wall, tape the screen on and you are done! now just put a lid on the box and stick the cables out the side of it

Comments

[priyank9755648457]

from where i will get the lcd?
any other types of lcd can be used which are available in indian market in low cost?

[simbu.rm]

hi priya you can get lcd very low cost of ebay.in

simbu
9843774939
pondicherry

[florman]

Do you have to use a 2.5 inch screen, or can you use a bigger one.

[porkypinekiwi]

i have seen people use up to 15inch screens but it needs different lenses and a much brighter light

[porkypinekiwi]

you could use a bigger one but it wouldnt be as bright and you might have to adjust the mag glass size

[antonbergjr]

is this the one u orderd?
if so i  just wanted to know if it was easy or hard to get the backlight off


http://electronics.shop.ebay.com/Car-Electronics-/3270/i.html?_nkw=2.5+lcd&LH_BIN=1&LH_IncludeSIF=1&_catref=1&_trksid=p3286.c0.m489

[porkypinekiwi]

yes that is it just something around 30bucks with shipping all you need to get the backlight off is a screwdriver and knife + 10min and remember to be very gentile with the screen i broke my first one (mp4 player)

[loccci]

I was just wondering how you got your backlights off. I peeled all the layers off until it was clear but ofcourse the little leds are still at the bottom. Im not sure how to disconnect them without disconnecting the input. How did you do it?

thanks,
locci

[porkypinekiwi]

you could break the led? i was lazy and just put duct tape over it, it doesnt really matter cause it doesnt effect the projection

[loccci]

Oh i ended up desoldering the bit that the lights come from. But either way.

[hackerwayne]

and also... will the resolution be like a real projector? i mean a ordinary one not a HD one.

[porkypinekiwi]

depends on what screen you get usually about 600X400 instead of about 800X someting on a normal one

[amoliski]

The resolution will be the exact same resolution of the original LCD screen. Adding lenses and lights does not change the number of pixels on the screen. With that in mind, unless you get a HD screen, the image will be worse than a normal projector. But again, it all depends on the screen you start with.

[porkypinekiwi]

yep thats right same amount of pixels but its way bigger. same with a normal projector you can see the pixels easy.

[hackerwayne]

do you mean i will have to peel off the layer behind the LCD screen? cuz the light wont go through the screen.

[porkypinekiwi]

yes just keep peeling off layers until it becomes clear but when its clear enough to let light through stop because anymore will break your screen. look at my pictures.

[the modifyer]

hey how good does it shine
do a vid im making one