Rete lan con arduino

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salve amici

ho momentaneamente abbandonato la comunicazione seriale visto che non ne davo fuori e volevo testare le ethernet shield.
cosi mi resterebbero liberi gli ultimi due ingressi analogici della mega che non si sa mai.
vi chiedo una cortesia:
io vorrei controllare le schede arduino con il computer attraverso la rete lan ma in rete trovo solo controlli tramite internet.
qualcuno mi potrebbe spiegare come potrei fare un controllo tramite cavo rete?
magari con qualche esempio facile?

e la stessa cosa, cambia solo che utilizzi indirizzi privati.


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