#include <ESP32Servo.h>
#include <DHT.h>

#define DHTPIN 5
#define DHTTYPE DHT22
//sensor sampah
#define TRIG_PIN  2
#define ECHO_PIN  4
//sensor kapasitas
#define TRIG_PIN2  21      //pin trigger dihubungkan ke pin 13 esp32
#define ECHO_PIN2     19       //pin echo dihubungkan ke pin 12 esp32
#define MAX_DISTANCE 200      //batas jarak dari sensor

#define SERVO_PIN 22
#define maxA  10
#define maxB  100
#define LED1 23
#define BUZZER 22

DHT dht (DHTPIN, DHTTYPE);
Servo servo;

float duration,duration2, distance, capacity;

void setup() {

  Serial.begin (9600);  
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(TRIG_PIN2, OUTPUT);
  pinMode(ECHO_PIN2, INPUT);
  pinMode(LED1, OUTPUT);
  pinMode( BUZZER, OUTPUT);

  servo.attach(SERVO_PIN);
  servo.write(0);
  dht.begin();
}

void loop() {
  float t = dht.readTemperature();
  float h = dht.readHumidity();
 
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  digitalWrite(TRIG_PIN2, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN2, LOW);


  duration = pulseIn(ECHO_PIN, HIGH);
  
  duration2 = pulseIn(ECHO_PIN2, HIGH);

  capacity= 0.010 * duration2;
  distance= 0.017 * duration;

  if (distance <= maxA){
    servo.write(0);
    digitalWrite(LED1, HIGH);
  } else {
    servo.write(90);
    digitalWrite(LED1, LOW);
    tone(BUZZER, 700);
    delay(500);
    noTone(BUZZER); 
    delay(0);
  }
  if(capacity > maxB){
    servo.write(0);
  }


  Serial.println("Suhu = ");
  Serial.print(t);
  Serial.println(" C");
  Serial.println("Kelembaban = ");
  Serial.print(h);
  Serial.println(" %");

  Serial.print("distance: ");
  Serial.print(distance);
  Serial.println(" cm");

  Serial.println("Kapasitas = ");
  Serial.print(capacity);
  Serial.println(" ");

  delay(1000);
}