#include <Servo.h>
#include <LiquidCrystal.h> 
int Contrast=80;
 LiquidCrystal lcd(22, 23, 24, 25, 26, 27); 

Servo tap_servo;

int sensor_pin = 1;
int tap_servo_pin =2;
int val;
int buzzer =7;
int ledred =8;

void setup(){
  pinMode(sensor_pin,INPUT);
  pinMode(buzzer,OUTPUT);
  pinMode(ledred, OUTPUT);
  tap_servo.attach(tap_servo_pin);
  analogWrite(8,Contrast);
     lcd.begin(16, 2);
     lcd.setCursor(0,0);
     lcd.print("Bottles");
}

void loop(){
  val = digitalRead(sensor_pin);
  if (val==0)
  {tap_servo.write(0);
  digitalWrite(buzzer,HIGH);
  digitalWrite(ledred,HIGH);
  


  } else {
    digitalWrite(buzzer,LOW);
  digitalWrite(ledred,LOW);

  }
  }