#include <SPI.h>                            
#include <SD.h>

File S;                                    
int A=0;

void setup()
{SD.begin(2);}                             
  
void loop()                                
{A=A+5;                                    
S = SD.open("Test.csv", FILE_WRITE);       
S.print(A);                                
S.println(";");                            
S.close();                                 
delay(1000);}