Yes, I have the contrast adjusted correctly.  I get the first line of
blocks, the second line clear. (It's a 2 line by 25 char display.)

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
> Behalf Of Jan-Erik Soderholm
> Sent: Sunday, June 10, 2007 4:55 PM
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] Interfacing to a Hitachi 44780 LCD in 4-bit mode
> 
> Matthew Mucker wrote:
> > All,
> >
> > I've been debugging this problem for weeks and haven't found where my
> error
> > is, so I'm turning to the list for help. I'm trying to drive a
> Hitachi 44780
> > LCD module in 4-bit mode from a PIC chip.
> 
> Do you get the lines (1 line one on a 2 line module and 2
> lines on a 4 line module) with dark "blocks" after
> power-on ?
> Do you have the contrast adjustment adjusted correctly ?
> Std or ext temp range module ?
> 
> /Jan-Erik
> 
> 
> 
> 
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