void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  //lcd.begin(16,0);
 //lcd.setCursor(0,0);
 pinMode(2, INPUT);
 //pinMode(15, INPUT);
}

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

  int x =digitalRead(2);
  //int y=
  if(x==1){

    digitalWrite(19, HIGH);
    Serial.println("object detected ");
    delay(500);
  }
  else {

    digitalWrite(19,LOW);
    Serial.println("no object detected");
    delay(500);
  }
}