cards.h.example

#include <avr/pgmspace.h>

//workaround for PROGMEM bug in gcc-c++
#define PROG_MEM __attribute__((section(".progmem.mydata"))) 

char card_00[] PROG_MEM = "0000001100";
char card_01[] PROG_MEM = "0000001100";
char card_02[] PROG_MEM = "0000001100";
char card_03[] PROG_MEM = "0000001100";
char card_04[] PROG_MEM = "0000001100";
char card_05[] PROG_MEM = "0000001100";

PROG_MEM const char *cards[] = {
	card_00,
	card_01,
	card_02,
	card_03,
	card_04,
	card_05,
};

byte numOfCards = sizeof(cards)/sizeof(char*);