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

#define DHTPIN 13     // Pin yang terhubung ke sensor DHT22
#define DHTTYPE DHT22  // Jenis sensor DHT22
#define LED_PIN 21    // Pin LED built-in pada Arduino
#define SERVO_PIN 23   // Pin untuk servo motor
#define RELAY_PIN 17    // Pin untuk relay

DHT dht(DHTPIN, DHTTYPE);
Servo myservo;

void setup() {
  Serial.begin(9600);
  dht.begin();
  myservo.attach(SERVO_PIN);
  pinMode(LED_PIN, OUTPUT);
  pinMode(RELAY_PIN, OUTPUT);
}
void loop() {
  delay(2000);  // Tunggu 2 detik untuk pembacaan sensor

  float temperature = dht.readTemperature();  // Baca suhu dari sensor DHT22

  Serial.print("Suhu: ");
  Serial.println(temperature);

  if (temperature > 36.0) {
    digitalWrite(RELAY_PIN, HIGH);  // Relay ON
    digitalWrite(LED_PIN, LOW);
    for (int pos = 0; pos <= 180; pos += 1) {
      myservo.write(pos);
      delay(15);
    }
    for (int pos = 180; pos >= 0; pos -= 1) {
      myservo.write(pos);
      delay(15);
    }
  } else if (temperature > 34.0) {
    digitalWrite(RELAY_PIN, HIGH);  // Relay ON
    digitalWrite(LED_PIN, HIGH);    // Hidupkan lampu LED merah
    myservo.write(90);              // Posisikan servo ke tengah (90 derajat)
  } else {
    digitalWrite(RELAY_PIN, LOW);   // Relay OFF
    digitalWrite(LED_PIN, LOW);     // Matikan lampu LED merah
    myservo.write(90);              // Posisikan servo ke tengah (90 derajat)
  }
}