Large box of LCDs

Marlow · Post by **Marlow** » October 9th, 2005, 11:01 am

Hi I am new to this site and this is my first form as well.

I just went to an auction today and bought a box of LCD pannels of which I know nothing about! The screens on the pannels are about 8.5 inches by 1.375 inches the only markings on the back are

6E0 MADE IN JAPAN DG0648 GEB-2294V-0 S

There are 7 large chips marked SANYO LC7942 6D4

They also have a ribbon connection with 14 pins

I am sort of interested in using some of these for a couple of microcontroller projects.

Any help would be great thanks.

Marlow

Post by **limbo** » October 9th, 2005, 6:07 pm

You can use AVR ones

for more info goto to http://www.avrfreaks.net/
and http://www.qsl.net/pa3ckr/

I had this idea too, but no time to build something...
Please hit back with your news

Post by **limbo** » February 12th, 2006, 3:14 pm

Check the hardware section of the forums.
There are two projects available.. PIC and AVR

ReverseEngineered · February 15th, 2006, 12:45 am

Yes, either the PIC or the AVR would be good to use for projects (though I recommend the AVR, lots of free tools and the internal structure is simpler to program). My only concern are those LCDs... Given the info you mentioned I did some looking around and came up very short on information about them. Are there more than just those 7 ICs you mentioned? Those are just drivers, but hopefully there will be some other form of controller on there; otherwise, you are going to have a helluva time trying to use them.

If you could, post me a picture of the chip-side of the board (high enough resolution to see the codes on the chips) and I'll see what else I can find for you. Hopefully you won't need a controller board for them.

_X7JAY7X_ · Post by **_X7JAY7X_** » March 6th, 2006, 12:05 am

PIC is not that bad at all to work with. I have a Basic compiler that is very simple. They have all kinds of compilers available. It just depends on what you prefer more or what you already may have a programmer for.

J

Geduxaz · Post by **Geduxaz** » March 6th, 2006, 6:20 pm

Hello. i've got some lcds... GEB-2294V
they have 5* LC7940 and one LC7980 and TASHIBA M53512B-11RS
maybe someone could help me with conection of such lcd? what pins of LC7980 should i use? how could i conect it to Atmega8?

thanks in advance

ReverseEngineered · Post by **ReverseEngineered** » March 7th, 2006, 1:48 am

Geduxaz, please check my reply in your thread Help with lc7940 LCD. Your display is not a character LCD (like the HD44780 controller), but rather a graphical one, where you turn on and off each dot separately.

While we are happy to help you with hooking up your LCD to Smartie, we don't currently support any graphic LCDs. I hope to add this in the future though, so please check back periodically to see what new features we have added.

In the meantime, if you want to interface your display to an ATmega8, try searching Google for "lc7940 datasheet" and "lc7940 avr". You will find more than would ever have time to tell you here.