#include "DHT.h"

#define DHTPIN 2     
#define DHTTYPE DHT22

byte i=0;
float temperature, humidity;

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println("Старт!");
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);

  dht.begin();
}

void loop() {
  temperature = dht.readTemperature();
  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;
  }

  Serial.print(F("Температура: "));
  Serial.print(temperature);
  Serial.print(F("°C   Влажность: "));
  Serial.print(humidity);
  Serial.println(F("% "));

if (temperature<0) {
  if (i==0) {
  digitalWrite (13,0);
  digitalWrite (12,0);
  i=1;
  } else {
    digitalWrite (13,0);
    digitalWrite (12,0);
    i=0;
  }
}
if ((temperature>=0)&&(temperature<1)) {
    if (i==0) {
    digitalWrite (13,0);
    digitalWrite (12,0);
    i=1;
    } else {
      digitalWrite (13,1);
      digitalWrite (12,0);
    i=0;
  }
}
if ((temperature>=1)&&(temperature<2)) {
    if (i==0) {
    digitalWrite (13,1);
    digitalWrite (12,0);
    i=1;
    } else {
      digitalWrite (13,1);
      digitalWrite (12,0);
    i=0;
  }
}
if ((temperature>=2)&&(temperature<3)) {
    if (i==0) {
    digitalWrite (13,1);
    digitalWrite (12,0);
    i=1;
    } else {
      digitalWrite (13,1);
      digitalWrite (12,1);
    i=0;
  }
}
if (temperature>=3) {
    if (i==0) {
    digitalWrite (13,1);
    digitalWrite (12,1);
    i=1;
    } else {
      digitalWrite (13,1);
      digitalWrite (12,1);
    i=0;
  }
} 
  delay(200);
}