#include "DHT.h"
#define DHTPIN 2     
#define DHTTYPE DHT22   
DHT dht(DHTPIN, DHTTYPE);

#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Fonts/FreeSansBold9pt7b.h>
#include <Fonts/Picopixel.h>
int buzzerPin = 13;

Adafruit_SSD1306 display(128, 64, &Wire, -1);

void setup() {
  //noTone(buzzerPin);
  Serial.begin(9600);
  Serial.println(F("DHT22 test!"));
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, INPUT);
  pinMode(5, OUTPUT); 
  pinMode(buzzerPin, OUTPUT);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  //display.clearDisplay();
  dht.begin();
}

void loop() {
  delay(2000);
   float h = dht.readHumidity();
   float t = dht.readTemperature();
   float f = dht.readTemperature(true);

   if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  Serial.print ("Suhu= ");
  Serial.println (t);

  if (t<29){
    digitalWrite(4,HIGH);
    digitalWrite(3,LOW);
    digitalWrite(5, LOW);
    
  }
  else if(t>=29 && t<=35 ){
    digitalWrite(5,HIGH);
    digitalWrite(4,LOW);
    digitalWrite(3,LOW);
  }
  else if (t>35){
    digitalWrite(3,HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    display.setCursor(32, 2);
    display.print("SUHU TINGGI");
    tone(buzzerPin, 1500);
    delay(1000);
    noTone(buzzerPin);
    delay(1000);
  }
}