#include <Servo.h>
#include "DHT.h"
#define DHTPIN 12
#define DHTTYPE DHT22
#define lred 8
#define lyellow 12
#define lgreen 13
#define alarm 5
Servo myservo;
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  Serial.println("Sensor Suhu dan Kelembapan");
  dht.begin();
  pinMode(lred, OUTPUT);
  pinMode(lyellow, OUTPUT);
  pinMode(lgreen, OUTPUT);
  pinMode(alarm, OUTPUT);
  myservo.attach(3);
}

void loop() {
  // Wait a few seconds between measurements.
  delay(2000);
  digitalWrite(lred, HIGH);
  digitalWrite(lyellow, HIGH);
noTone(buzzer);
delay(2000);
myservo.write(180);
digitalWrite(led, LOW);
tone(buzzer, 1000);
delay(2000);


  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float humidity = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float temperature = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Sensor Gagal Berfungsi");
    return;
  }
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print("%");
  Serial.print(" Temperature: ");
  Serial.print(temperature);
  Serial.print("°C");
  Serial.println();

  if (temperature >= 35) {
    digitalWrite(lred, HIGH);
    digitalWrite(lyellow, HIGH);
    digitalWrite(lgreen, HIGH);
    tone(alarm, 700);
    myservo.write(180);
  }

  else {
    digitalWrite(lred, LOW);
    digitalWrite(lyellow, LOW);
    digitalWrite(lgreen, LOW);
    noTone(alarm);
    myservo.write(0);
  }
}