Some of the newer Ethernet shields have MAC addresses, some don't. Is there a proper way to determin, programatically, if the Ethernet shield has a MAC address? Perhaps trying to instantiate the object without the MAC parameter then on failure try again with a programatically generated MAC? Are…

Ethernet Shield MAC

russmathis September 25, 2012, 9:39pm 5

So, is there a programatic rule of thumb, say, to set the MAC without hard coding it?

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