Re: dual hd44780 displays

On 18.06.2013 16:37, T ed Ozolins wrote:
> On 13-06-17 11:57 PM, Markus Dolze wrote:
>> Hi, how do your displays look like if you configure size=20x4
>> vspan=2,2 Do both LCD show something (one should show upper half and
>> one lower half of each screen)? Regards, Markus 
> Yes, that gives me 2 lines on each display.
> 

Hi,

this indicated the wiring is correct and the code works.

If you do not see anything on your second LCD when using 'vspan=4,4' it
could simply mean that the screens of the client you use do not make use
of the additional space.

E.g. some of the 'lcdproc' client screens are designed for 2 or 4 line
displays and do not make use of additional lines (C (CPU), M (memory), T
(clock) screens).

Some of 'lcdproc' screen do use additional lines, like the A (about), D
(disks), S (top size) screens. Try one of those!

Regards,
Markus