The MAC address of Ethernet Shield

Ardiuno Compatible shields

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Jacket Chen
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The MAC address of Ethernet Shield

Post by Jacket Chen » Tue Jun 25, 2013 11:52 am

The MAC address of Ethernet Shield(5100&5200)

People ask me question about the MAC address of the Ethernet shield, but the the Ethernet Shield within a 5100&5200 interchip does not have a steady(sole) MAC address. When using the Ethernet shield with Arduino, we need modify the program:

Code: Select all

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
Modify the MAC address randomly, you can run the program while the MAC address you input has not been used by other people.
The reason why we can't provide a sole MAC address to you, just because of the supplier. Sorry for that. And more information you can refer to the specification of Ethernet shield.

Jacket Chen
Last edited by Jacket Chen on Tue Jun 25, 2013 1:48 pm, edited 1 time in total.
Reason: Add a datasheet of 5100
Love little, love long.

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