#include<LiquidCrystal.h>

const int RS = 12, E = 11, D4 = 4, D5 = 5, D6 = 6, D7 = 7;
LiquidCrystal lcd(RS, E, D4, D5, D6, D7); 

const int sensotPin = 1;
const int LED = 0;
const int LED2 = 10;
int sensorValue;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(sensotPin, INPUT);
  lcd.begin(16, 2);
}

void loop() {
  // put your main code here, to run repeatedly:

  digitalWrite(LED2, HIGH);

  sensorValue = digitalRead(sensotPin);

  lcd.setCursor(0, 0);
  
  lcd.print("Sensor value : ");
  lcd.print(sensorValue);
 
  if(sensorValue == LOW) // low means object detected
  {
    digitalWrite(LED, HIGH);
    lcd.setCursor(0, 1);
    lcd.print("object detected");
  }
  else{
    digitalWrite(LED, LOW);
    lcd.setCursor(0, 1);
    lcd.print("no detect");
  }
  lcd.clear();

}