4 Nils and Torsten (based on the Arduino part) Arduino Ethernet Shield 2010-08-07 Arduino Ethernet Shield /obsolete/Arduino Shield Ethernet Ethernet shield for the awesome Arduino microcontroller. Digital I/O 0 / Serial Recieve

Digital I/O 8

Reset

Digital I/O 7

+3.3V DC

Digital I/O 6

+5 V Regulated DC

Ground

Ground

DC Supply Voltage Input

Analog Input 0

Analog Input 1

Analog Input 2

Analog Input 3

Analog Input 4

Analog Input 5

aref

Ground

Digital I/O 5

SPI clock

SPI slave select

SPI master in, slave out

Digital I/O 3

SPI master out, slave in

Digital I/O 2

SPI slave select

Digital I/O 9

Digital I/O 1 / Serial Transmit