Thanks -- I thought that this might be the case. However, I'm not
sure how it's wired. There are three connections -- so is it really
a potentiometer? If so, does anyone know what type to use?
Thanks again.
--- In [EMAIL PROTECTED]s.com,
Peter O <[EMAIL PROTECTED]> wrote:
>
> With a little research into the HD44780 interface I found that pin
3 is
> the contrast adjustment.
> see http://home.iae.nl/users/pouweha/lcd/lcd0.shtml#pin_assignment
>
> The special resistor with pin 3 'in the middle' is a variable
> resistor. Just like the volume adjust knob on your radio.
>
> So this variable resistor is used to adjust the contrast.
>
> Peter
>
> RandomOrbit schreef:
> >
> > Reference: http://www.acmesystems.it/?id=8021
> > <http://www.acmesystems.it/?id=8021>
> >
> > Hi. The article is great - I just have one question: I don't
really
> > understand the diagram for pin 3. It shows the pin in the
middle
of
> > the resistor between pins 1 and 2, and I don't know what this
> > represents. Forgive me, I am new to this.
> >
> > Thanks
> >
> >
>
> --
> Peter O
>
> <skype:on4ooo?call>
>
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