On Wed, 14 Aug 2002, Thomas N wrote:

>Hello Everyone,
>
>My LCD was working fine with 8-bit interface mode.  When I change it to
>4-bit interface mode, the LCD contrast changes randomly each time I run
>the program (I use ICD).  Sometimes, the display is clear with no dark
>background, but sometimes the background is very dark and it's very hard
>to read the text on the LCD.  Anyone know why it is intermittent like
>this?  There is no improvement between floating the 4 un-used pins and
>grounding them.  Please help!

What is connected to Vlc ?

Peter

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