String  str = "A1N,c2,t120,d4,t0,b5,t0,a2,t368,e2,t452,1c,t0,e1,t600";
String strs[20];
int StringCount = 0;

void setup (void)
{
  Serial.begin (115200);
  delay(200);
  String disp_full_push="pie.anto.giu.";
  disp_full_push.replace(".", ",");//dispositivi


if(disp_full_push[disp_full_push.length()-1]==',')disp_full_push=disp_full_push.substring(0,disp_full_push.length()-1);




 Serial.println(disp_full_push);

  Serial.println(str);

  // Split the string into substrings
  while (str.length() > 0)
  {
    int index = str.indexOf(',');
    if (index == -1) // No VIRGOLA found
    {
      strs[StringCount++] = str;
      break;
    }
    else
    {
      strs[StringCount++] = str.substring(0, index);
      str = str.substring(index+1);
    }
  }


 Serial.println(str);


  // Show the resulting substrings
  for (int i = 0; i < StringCount; i++)
  {
    Serial.print(i);
    Serial.print(": \"");
    Serial.print(strs[i]);
    Serial.println("\"");
  }
}

void loop () {}