Jean-Marc Beaune wrote:
> Thanks for replies.
> 
> Actually I only designed standalone applications based on Microchip PICs
> i.e. without any communication over any network (except 2 PICs that
> communicate with each other over a 433Mhz link).

> What I would like is to be able to build applications that can be
> connected for example to internet (e.g. a board that could drive
> the heating sytem, accesible via internet). That means I need ethernet
> or wireless for communication and serial ports for actions.

Do you mean you want to tie in your control system to a Scada
system across the internet?
If so, you'll need modbusTCP and an ethernet stack to go along with
wired or wireless ethernet, methinks...



> What about Gumstix?

some body else with have to answer this. I have zero experience with
gumstix.



James


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