// Eksempel på if  

RTC.begin();
  // Check to see if the RTC is keeping time.  If it is, load the time from your computer.

  if (! RTC.isrunning()) {
    Serial.println("RTC is NOT running!");
    // This will reflect the time that your sketch was compiled
    RTC.adjust(DateTime(__DATE__, __TIME__));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 9, 2014 at 3:00am you would call:
    //RTC.adjust(DateTime(2014, 1, 9, 3, 5, 0));
  }
  // RTC end

//Eksempel på if - else

      if (old_value[i] > value[i])
      {
        tft.drawLine(dx, dy - 5, dx + pw, dy,  WHITE);
        old_value[i]--;
        tft.drawLine(dx, dy + 6, dx + pw, dy + 1,  RED);
      }
      else
      {
        tft.drawLine(dx, dy + 5, dx + pw, dy,  WHITE);
        old_value[i]++;
        tft.drawLine(dx, dy - 6, dx + pw, dy - 1,  RED);
      }