[PD] Sending and receiving messages with a RaspPi

[Jaime E Oliver via Pd-list]

On Jul 19, 2014, at 3:34 AM, Simon Wise via Pd-list <pd-list at lists.iem.at> wrote:
> Maybe you have the laptop running audio and want several projections, or want to use the GPIO features which are not available on a laptop. Pis are a compact, cheap, low-power way to do this (if they are up to the task you have in mind … 

Just continuing with that thread, what are the best ways to send and receive messages with a Pi via UDP or similar?

Is it possible to connect them with an ethernet cable directly without a router?

best,

J