#include "DHT.h"

#define DHTPIN 2
#define DHTTYPE DHT22
#define LED_MERAH 7
#define LED_HIJAU 8

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  dht.begin();
  pinMode(LED_MERAH, OUTPUT);
  pinMode(LED_HIJAU, OUTPUT);
}

void loop() {
  float suhu = dht.readTemperature();
  if (isnan(suhu)) {
    Serial.println("Gagal membaca suhu!");
    return;
  }

  Serial.print("Suhu: ");
  Serial.print(suhu);
  Serial.println(" °C");

  if (suhu >= 30) {
    digitalWrite(LED_MERAH, HIGH);
    digitalWrite(LED_HIJAU, LOW);
    Serial.println("Suhu tinggi! LED merah ON");
  } else {
    digitalWrite(LED_MERAH, LOW);
    digitalWrite(LED_HIJAU, HIGH);
    Serial.println("Suhu normal. LED hijau ON");
  }

  delay(2000);
}