#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
//#include <EEPROM.h>
#define LED_TOO_COLD D8
#define LED_PERFECT D7
#define LED_TOO_HOT D6


#include "DHTesp.h"

#define BLYNK_PRINT Serial// Comment this out to disable prints and save space
#include <SPI.h>
//#include <ESP8266WiFi.h>
// #include <BlynkSimpleEsp8266.h>
// #include <SimpleTimer.h>
#include "DHT.h"   // install this library
//int speakerPin = D2; //define digital pin 2 for speaker
int length = 1;
#define DHTPIN D5   //define digital pin 5 for DHT11 Module 
#define DHTTYPE DHT11
#define LED_TOO_COLD D8
#define LED_PERFECT D7
#define LED_TOO_HOT D6
DHT dht(DHTPIN, DHTTYPE);


void setup() {
  //Serial.begin(115200);     //set the baud rate
  Serial.println("DHT11 test!");

  dht.begin();
}

void loop() {
 // pinMode(speakerPin, OUTPUT);
  pinMode (D8 , OUTPUT);
  pinMode (D7 , OUTPUT);
  pinMode ( D6 , OUTPUT);
  delay(2000);

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);


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

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println(" *C ");
  if (t <= 20) {
    Serial.println("Too cold!");
    digitalWrite(D8, HIGH);
  //  digitalWrite(speakerPin, HIGH);
    delay (2000);
  //  digitalWrite(speakerPin, LOW);
    digitalWrite(D8, LOW);
  }
  if (20 < t < 27) {
    Serial.println("Perfect temperature!");
    digitalWrite(D7, HIGH);
    delay (2000);
    digitalWrite(D7, LOW);
  }
  if (t >= 29) {
    Serial.println("Too hot!");
    digitalWrite(D6, HIGH);
//    digitalWrite(speakerPin, HIGH);
    delay (2000);
   // digitalWrite(speakerPin, LOW);
    digitalWrite(D6, LOW);
  }

}