   // Open serial communications and wait for port to open:
  
   Serial.begin(9600);
-  /*while (!Serial) {
-    ; // wait for serial port to connect. Needed for native USB port only
-  }
-  Serial.print("Initializing SD card...");
-  // see if the card is present and can be initialized:
-  if (!SD.begin(chipSelect)) {
-    Serial.println("Card failed, or not present");
-    // don't do anything more:
-    return;
-  }
-  Serial.println("card initialized.");
-  // connect to RTC
-  Wire.begin();  */
 }
 
 void loop() {
   float t=millis();
   float number= (analogRead(PressureAnalog)*.7018-52)*.868;
   PressureReadingSUM = PressureReadingSUM + number;
+  int runtime = t/1000/60;
   lcd.clear();
   lcd.setCursor(0,0);
   lcd.print("GAC ");
+  lcd.print(runtime);lcd.print("min   ");
   lcd.setCursor(0,1);
   lcd.print(number);//lcd.print(PressureAnalogReading);
   lcd.setCursor(6,1);


void setup() {
    lcd.begin(16, 2);
  /* if (! rtc.begin()) {
    lcd.print("Couldn't find RTC");
    while (1);
  }

  if (rtc.lostPower()) {
    lcd.print("RTC lost power, lets set the time!");
    // following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  // Print a message to the LCD. We track how long it takes since
  // this library has been optimized a bit and we're proud of it :)*/
  lcd.print("start!");
  lcd.setBacklight(WHITE);
  delay(5000);

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_RGBLCDShield.h>
#include <utility/Adafruit_MCP23017.h>
Adafruit_RGBLCDShield lcd = Adafruit_RGBLCDShield();
