Hi!
could you post the changed circuit? I have bought the hobbyboards LCD and would
like to change it
to turn backlight on/off.
cheers,
Zoff.
patyrk wrote:
> Hello again
> I've built myself a LCD display based on Hobby Boards design with some
> minor changes. Instead id three push buttons I wired PIO.0 to a
> transistor which turns backlight on an off.
> When I write 0 to PIO.0 backlight turns on.
> But when I clear the display or write to the message PIO.0 also changes.
> Could other PIO.0 PIO.1 PIO.2 be left alone while writing to the
> display?
>
> And another question about displays. I figured out that message has 4x20
> characters. I have 2x16 LCD. The order is 1 line , 20+4 chars(not
> displayed) and then second line. What if I would use 4x40 display?
>
>
> P4trykx
>
>
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