Small and cheap video LCD - Electronic Circuits Projects Diagrams Free

xkrja · 13th October 2006, 12:04 PM

Hi,
I'm looking for LCD-displays with video interface. It should be no bigger than 4". Does anyone know were to look for them?

Thanks,
Kristian

Papabravo · 13th October 2006, 06:42 PM

You can probably find either "small" or "cheap" but not both. Finding the manufacturer is only the beginning. The next problem is finding a way to buy just one for development. Most of the sales quantities of these devices are in the five to seven figure range. I'd be interested myself if you can succeed.

HarveyH42 · 13th October 2006, 07:43 PM

I've bought 5 and 6 inch for $50.00 US. They are extra monitors for in car video (DVD players). Got them through surplus sites, but work pretty good. I got them for my security cameras, so I could see them in other rooms of my house.
Haven't seen any under 5", or under $42.00 though, but wasn't looking either.

Try Electronic Goldmine, Partsexpress, or Allelectronics websites, pretty sure it was one of these.

jbeng · 14th October 2006, 02:24 AM

You might try this place: http://store.earthlcd.com/. Several years ago I bought a Sharp 4L-U4E from them. It's a 4 inch diagonal measure, NTSC, color LCD. They only listed monochrome (black & white) units with that model number on their site, I don't know if they can still get the color units or not.
JB

Oznog · 14th October 2006, 03:15 AM

What did you want to drive it with? VGA? NTSC? Microcontroller?

xkrja · 14th October 2006, 10:09 AM

Thanks for your replies.

I want to use it with an embedded PC and it has both VGA and TV-out. The problem is that the small VGA-displays seems to be very expensive, the video monitors are cheaper. At first I wanted to use its serial port to control a display but it seems a bit of a waste to not use the VGA or TV-out when its already there.

Maybe I can ask if someone know how hard it is to build own controllers for displays? If for example I come over a mobile camera display, is it then difficult to build a video or VGA-controller?

Thanks again!

**Nigel Goodwin** · 14th October 2006, 10:21 AM

Quote:

Originally Posted by xkrja

Maybe I can ask if someone know how hard it is to build own controllers for displays? If for example I come over a mobile camera display, is it then difficult to build a video or VGA-controller?

I would suggest EXTREMELY!!!! hard - not to be considered.

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13th October 2006, 12:04 PM	(permalink)
xkrja	Small and cheap video LCD Hi, I'm looking for LCD-displays with video interface. It should be no bigger than 4". Does anyone know were to look for them? Thanks, Kristian

13th October 2006, 06:42 PM	(permalink)
Papabravo	You can probably find either "small" or "cheap" but not both. Finding the manufacturer is only the beginning. The next problem is finding a way to buy just one for development. Most of the sales quantities of these devices are in the five to seven figure range. I'd be interested myself if you can succeed.

13th October 2006, 07:43 PM	(permalink)
HarveyH42	I've bought 5 and 6 inch for $50.00 US. They are extra monitors for in car video (DVD players). Got them through surplus sites, but work pretty good. I got them for my security cameras, so I could see them in other rooms of my house. Haven't seen any under 5", or under $42.00 though, but wasn't looking either. Try Electronic Goldmine, Partsexpress, or Allelectronics websites, pretty sure it was one of these.

14th October 2006, 02:24 AM	(permalink)
jbeng	You might try this place: http://store.earthlcd.com/. Several years ago I bought a Sharp 4L-U4E from them. It's a 4 inch diagonal measure, NTSC, color LCD. They only listed monochrome (black & white) units with that model number on their site, I don't know if they can still get the color units or not. JB __________________ Nothing is impossible for the man who doesn't have to do it himself - Weiler's Law

14th October 2006, 03:15 AM	(permalink)
Oznog	What did you want to drive it with? VGA? NTSC? Microcontroller? __________________ I thought what I'd do was I'd pretend I was one of those deaf-mutes.

14th October 2006, 10:09 AM	(permalink)
xkrja	Thanks for your replies. I want to use it with an embedded PC and it has both VGA and TV-out. The problem is that the small VGA-displays seems to be very expensive, the video monitors are cheaper. At first I wanted to use its serial port to control a display but it seems a bit of a waste to not use the VGA or TV-out when its already there. Maybe I can ask if someone know how hard it is to build own controllers for displays? If for example I come over a mobile camera display, is it then difficult to build a video or VGA-controller? Thanks again!