#include "DHT.h"
#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
int cahaya;

void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 example!"));
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode (A0, INPUT);
  dht.begin();
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  if(temperature >=24 ){
    digitalWrite(4, HIGH);
    analogWrite(3, 255);
  }
  else if (temperature <=21) {
    digitalWrite(4, LOW);
    analogWrite(3, 0);
  }
  else{
    digitalWrite(4, LOW);
    digitalWrite(3, 127);
  }

  // Lampu otomatis
  cahaya = analogRead(A0);
  if (cahaya > 351 ){
  digitalWrite(5, HIGH);
 } else {
   digitalWrite(5, LOW);
 }

  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));
  Serial.print("Cahaya LDR: ");
  Serial.println(cahaya);
  delay(1000);
}