Hi Troy,

Thanks for the suggestion.
I will give it a try. But first I need to find a computer that has serial port and runs Windows.

Thanks,

Dimitar

Hi,

After 3.5 years of daily use, my GLK12232-25SM got almost unusable.
Half of the screen is unreadable. Please see the two pictures I am attaching.

I have feeling that the memory got corrupted, because, as you can see, the rectangles for each character are well defined and separated, but the ...

Just forgot to mention that the picture displayed on power up also was mirrored after the black line. I replaced the factory logo with my own picture, but probably this should not matter.

Basically the black line was on top of everything else. Like dead pixels.

Yes, I was able to communicate with the display. The backlight was working Ok.
Just this thick black line near the middle of the display, and everything that was on the line's right side was mirrored.
The left side of the LCD was working Ok.

Later during the day I tried again, and it worked just ...

Hello,

I am using GLK12232-25-SM LCD for a self made MP3 player and so far everything was Ok.

But this morning when I powered the player, there was thick line acros the screen (probably 10-20 pixels thick, from the top to the bottom) and the right portion of the screen was displaying everything ...

Hi,

I am trying to activate the Flow Control feature on GLK12232-25-SM, but without any success so far.

Here is a brief description of what I am doing:

In the beginning I am sending the following sequence to the LCD:

0xFE 0x3A 0x45 0x22

Later on, I am sending just text, intermixed with text ...

Hi,

the two questions I would like to find answer to are (considering GLK12232-25-SM LCD):

1. Is there any ESD protection on the RS-232 Tx and Rx lines?
2. Can a custom made keypad be connected to the LCD, where the keypad is made of simple push-buttons, where each button shorts a column and a row ...