Hi,
I do not know Your specific requirements, but you may end up creating some
custom device that includes a microcontroller. In this case, it is much
easyer to simply push all data over 1w into the uC regularly, and use the
buttons locally to navigate the data.
Vajk
On Mon, Jan 7, 2013 at 8:22 PM, Thomas Parvais <[email protected]> wrote:
> Hello
>
> Thank you for the idea : bigger screen , no button . However I've many
> info to display . I could also do a kind of roll out
>
> Do you have the schematic for HB LCD ? Not existing anymore on his website
>
>
>
> Thomas
>
> Le 7 janv. 2013 à 18:59, p4trykx <[email protected]> a écrit :
>
> W dniu 07.01.2013 o 10:42 Thomas Parvais <[email protected]> pisze:
>
> Hello
>
> I think Hobby-board does not sell anymore 1-wire LCD.
>
> I'm also interrested by this small LCD to display different measurements
> on the 1-wire bus. buttons can be used, I think, to change displayed values.
>
> fully compatible with OWFS ? perl script can control the "user interface" ?
>
>
> The problem with buttons is that you have to constantly pool the state of
> them. If the LCD is the only device on bus that's not a problem but when
> you read temperature the bus is busy for about 2-3 seconds. You can have an
> endless loop and it works reasonably responsive.
>
> Maybe the better solution would be to buy a bigger 4x20 display.
>
> Hobby bords design LCD is fairly easy. I made a clone of it with a
> universal board.
>
> I only have a photo of an early version made on breadboard but there are
> just few extra components.
> https://dl.dropbox.com/u/96422972/DSC00906.JPG
>
>
> --
> p4trykx
>
>
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