// constants won't change. They're used here to set pin numbers:
const int buttonPin = 8;  // the number of the pushbutton pin
const int ledPin = 13;    // the number of the LED pin
#include <LiquidCrystal.h>
// with the arduino pin number it is connected to
const int rs = 12, en = 11, d4 = 2, d5 = 3, d6 = 4, d7 = 5;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
// variables will change:
int buttonState = 0;  // variable for reading the pushbutton status

// Variables
int Count = 0;      // Counter to keep track of the number of objects

void setup() {
  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(buttonPin, INPUT);
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print(" Starting Up");
  delay(2000);
  for (int positionCounter = 0; positionCounter < 16; positionCounter++) {
    // scroll one position right:
    lcd.scrollDisplayRight();
    // wait a bit:
    delay(150);
  }
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Pump 1");
}

void loop() {
  // read the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);

  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(ledPin, HIGH);
    ++Count;  // Increment the object count when an object is detected
    delay(15000);  // Delay 15 seconds
  } else {
    // turn LED off:
    digitalWrite(ledPin, LOW);
    lcd.setCursor(9, 0);
    lcd.print(Count);
  }
}