Jeff DeMaagd schrieb:
>
> The pinout numbers on the header sometimes is a bit different from what you
> see in datasheets for different products, sometimes the pin number order is
> rotated or the pins are numbered 1 from one end or the other, even though
> the physical pinouts are compatible.
>
> Here is one possible arrangement:
>
> http://www.repairfaq.org/filipg/LINK/F_LCD_HD44780.html
>
> Some test software download and another pinout setup:
> http://home.iae.nl/users/pouweha/lcd/lcd2.shtml
>
> If you have a two column  header on the left side it might be:
>
> d7 d6
> d5 d4
> d3 d2
> d1 d0
> E    RW
> RS  Vo
> G  +5
>

Hi Jeff,

thank you for you help, but i was just the need for negative LCD driver
voltage. I simply give it a try and its work.

The sentence which come up on one of your links says everything:

'LCD displays are fun. (when they work)'

Thomas

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads