#include <LiquidCrystal_I2C.h>
int Lcdcol=16;
int Lcdrow=2;
int Lcdaddr=0x27;

LiquidCrystal_I2C lcd(Lcdaddr,Lcdcol,Lcdrow);

void setup() {
  // put your setup code here, to run once:
  pinMode(23, INPUT);
  pinMode(22, OUTPUT);
  pinMode(21, OUTPUT);
  
  lcd.init();
  lcd.clear();         
  lcd.backlight(); 

  
  
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  int x=digitalRead(23);
  if(x==0){
    Serial.println("Object Not Detected");
    lcd.setCursor(0,0);
    lcd.print("Object Not Detected");
  }else{
    Serial.println("Object Detected");
    lcd.setCursor(0,0);
    lcd.print("Object Detected");
  }
}