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

#define DHTPIN 5
#define DHTTYPE DHT22
#define TRIG_PIN  2
#define ECHO_PIN  4
#define SERVO_PIN 22
#define DISTANCE_THRESHOLD  10

DHT dht (DHTPIN, DHTTYPE);
Servo servo;

float duration_us, distance_cm;

void setup() {
  Serial.begin (9600);  
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  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);


  duration_us = pulseIn(ECHO_PIN, HIGH);

  distance_cm = 0.017 * duration_us;

  if (distance_cm < DISTANCE_THRESHOLD)
    servo.write(0); 
  else
    servo.write(90);

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


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

  delay(1000);
}