#include "DHT.h"
#include <Servo.h>

int a = 1;
#define merah 2
#define kuning 3
#define hijau 4
#define DHTPIN 6
#define DHTTYPE DHT22

Servo servo;
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  servo.attach(5);
  dht.begin();

  pinMode(merah, OUTPUT);
  pinMode(kuning, OUTPUT);
  pinMode(hijau, OUTPUT);
  
}

void loop() {
  float t = dht.readTemperature();
  if (isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Serial.println(t);

  if(t == 40 && a == 1){
    servo.write(180);
    delay(3000);
    servo.write(90);
    delay(200);
    a++;
  }else if(t > 40){
    digitalWrite(merah, HIGH);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau, LOW);
  }else if(t >= 35 && t < 40){
    digitalWrite(merah, LOW);
    digitalWrite(kuning, HIGH);
    digitalWrite(hijau, LOW);
  }else if(t < 35 && t > 0){
    digitalWrite(merah, LOW);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau, HIGH);
  }else{
    digitalWrite(merah, LOW);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau, LOW);
  }
}