#include <LiquidCrystal_I2C.h>
#include <Servo.h>
Servo myservo;

LiquidCrystal_I2C lcd (0x27, 16,2);

#define trig1 12
#define echo1 11
#define trig2 9
#define echo2 10
#define buzzer 7

void setup() {
  // put your setup code here, to run once:
  myservo.attach(10);
  pinMode(trig1, OUTPUT);
  pinMode(echo1, INPUT);
  pinMode(trig2, OUTPUT);
  pinMode(echo2, INPUT);
  pinMode(buzzer, OUTPUT);

  lcd.init();
  lcd.backlight();
  lcd.clear();
}

void loop() {
  // put your main code here, to run repeatedly:
  myservo.write(0);

  digitalWrite(trig1, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig1, LOW);

  long durasi = pulseIn(echo1, HIGH);

  float jarak = durasi/58.0;  

  digitalWrite(trig2, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig2, LOW);

  long durasi1 = pulseIn(echo2, HIGH);

  float jarak1 = durasi/58.0; 

  if (jarak <= 30){
  myservo.write(180);
  }

  else if (jarak1 <= 30){
  delay(5000);
  lcd.setCursor(0,0);
  lcd.print("Tempat Sampah");
  lcd.setCursor(1,4);
  lcd.print("Penuh!");
  digitalWrite(buzzer, HIGH);
  delay(500);
  digitalWrite(buzzer, LOW);
  }
  delay(2000); 
}