I'm not sure if these pages contain what I think (I did not understand to 100% what they meant), but you can take a look and may you can say what's going on :smile:

http://www.hut.fi/~iisakkil/stuff.html
And
http://www.telebyte.nl/cgi-bin-strijk/i2c.html

The latter did not contain any valid ...

I checked around on the net for anything about I2C, and I found that there are sites that have some solution for getting I2C to work on a serial or parallel port.

I'm not sure if I got it right, but it seems to me that you can use a parallel or serial port instead of a real I2C port..

I will ...

Thanks for your mega-fast reply! This is then the display I'll need!

by the way. Is the backlight shining with constant illumination, or can it be changed in any way (eg. 0 - 100%)?

How do I attach and use the displays with the I2C protocol? Can it be connected to any existing port on my PC? What modifications do I have to do to get it to work?

And what about connecting multiple displays on the same cable? eg. one display in the kitchen, one in the living room, one in the ...

Can the size of the GLK12232-25 be compared with the LK204-25? Could I squeeze the same amount of characters (or even more) as on the LK204-25?

Thanks Henry!

This is then the display I'll need

I'm trying to decide which display I should order, but I'm not sure which one would be the right one.

These are my alternatives: GLK12232-25 (Graphic LCD) and LK204-25 (Char LCD)

How do I display the text on the graphical LCD? Do I have to create any bitmaps for getting a text on the display, or ...