#include "DHT.h"
#define DHTPIN 5     // Digital pin connected to the DHT sensor
// Feather HUZZAH ESP8266 note: use pins 3, 4, 5, 12, 13 or 14 --
// Pin 15 can work but DHT must be disconnected during program upload.

// Uncomment whatever type you're using!
//#define DHTTYPE DHT11   // DHT 11
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
#define LED_HUMIDITY 2
#define LED_TEMP 4

DHT dht(DHTPIN, DHTTYPE);
void setup() {

  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  pinMode(LED_HUMIDITY, OUTPUT);
  pinMode(LED_TEMP, OUTPUT);

  dht.begin();
}

void loop() {
//  digitalWrite(LED, HIGH);
//  delay(500);
//  digitalWrite(LED, LOW);
//  delay(500);

// Wait a few seconds between measurements.
  delay(10);

  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  // allumage de la led en cas de forte humidité
  if (h > 90) {
    digitalWrite(LED_HUMIDITY, HIGH);
  }
  else
  {
    digitalWrite(LED_HUMIDITY, LOW);
  }

  if (t < 0) {
    digitalWrite(LED_TEMP, HIGH);
  }
  else
  {
    digitalWrite(LED_TEMP, LOW);
  }

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.println(F("°C "));
}