#include <Servo.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

Servo servo1;
LiquidCrystal_I2C lcd(0x27, 16, 2);
const int pinLED1 = 2;

//sensor suhu
#define DHTPIN 11
#define DHTTYPE DHT22
//sensor jarak
const int pinTRIGGER = 8;
const int pinECHO = 9;
//sensor kapasitas tempat sampah
const int pinTRIGGER2 = 7;
const int pinECHO2 = 6;
const int SERVO= 4;

DHT dht (DHTPIN, DHTTYPE);

float durasi, jarak, durasi2, jarak2;

// ======================= program pengaturan awal ====================== //
void setup()
{
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  lcd.setCursor(0,0);
  lcd.print(" TEMPAT  SAMPAH  ");
  lcd.setCursor(0,1);
  lcd.print("    OTOMATIS     ");
  delay(2000);
  lcd.clear();

  servo1.attach(SERVO);
  dht.begin();

  pinMode(pinTRIGGER, OUTPUT);
  pinMode(pinECHO, INPUT);
  pinMode(pinTRIGGER2, OUTPUT);
  pinMode(pinECHO2, INPUT);
  pinMode(pinLED1, OUTPUT);
  delay(1000);
}

void loop()
{
  digitalWrite(pinTRIGGER, HIGH);
  delayMicroseconds(10);
  digitalWrite(pinTRIGGER, LOW);

  durasi = pulseIn(pinECHO, HIGH);
  jarak = ((durasi * 0.034) / 2);

  digitalWrite(pinTRIGGER2, HIGH);
  delayMicroseconds(10);
  digitalWrite(pinTRIGGER2, LOW);

  durasi2 = pulseIn(pinECHO2, HIGH);
  jarak2 = ((durasi2 * 0.034) / 2);

//rumus
  float tinggitempatsampah = jarak2/20;
  float kapasitas = tinggitempatsampah*100;

  float t = dht.readTemperature();
  float h = dht.readHumidity();
  delay(1000);

  
  if (jarak <= 15)
  {
    servo1.write(90);
    lcd.setCursor(0,0);
    lcd.print("    TERBUKA ");
    lcd.setCursor(0,1);
    lcd.print("Jarak: "+ String(jarak)+"cm");
    delay(1100);
    lcd.clear();
  }
  else
  {
    servo1.write(0);
    lcd.setCursor(0,0);
    lcd.print(" TERTUTUP ");
    lcd.setCursor(0,1);
    lcd.print("Jarak: "+ String(jarak)+"cm");
    delay(1100);
    lcd.clear();
  }


  if(kapasitas >= 100)
  {
    lcd.setCursor(0,0);
    lcd.print("      PENUH   ");
    lcd.setCursor(0,1);
    lcd.println("Kapasitas:"+ String(kapasitas)+"%");
    digitalWrite(pinLED1, HIGH);
    delay(1100);
    lcd.clear();
  }

  else{
    lcd.setCursor(0,1);
    lcd.print("Kapasitas:"+ String(kapasitas)+"%");
    digitalWrite(pinLED1, LOW);
    delay(1100);
    lcd.clear();
  }

  //tampilan suhu dan kelembapan 
  lcd.setCursor(0,0);
  lcd.println("Suhu:");
  lcd.print(t);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println("Lembab:");
  lcd.print(h);
  lcd.println(" %");
  delay(1100);
  lcd.clear();

  Serial.println("Kapasitas: "+ String(kapasitas)+" %");
  Serial.print("Jarak: ");
  Serial.println(jarak);
  Serial.println("Suhu: ");
  Serial.print(t);
  Serial.println(" C");
  Serial.println("Lembab: ");
  Serial.print(h);
  Serial.println(" %");

  delay(500);
}