Using an Arduino Pro Mini

Pin Layout

We need to connect the Wiznet board and the SD breakout board to the Arduino Pro Mini using the SPI pins.

Arduino	SD	Wiznet	Other
3			Button
4	CS
5			Green LED
6			Amber LED
7			Red LED
8			Printer TX
9			Printer RX
10		J2/4
11	DI	J1/1
12	DO	J1/2
13	CLK	J2/3
VCC	3V	J2/1
RST		J2/2
GND	GND	J2/9