// #include <Arduino.h>
// #include <ESP32WiFi.h>
// #include <Hash.h>
#include <DHT.h>

#define DHTPIN 4
#define DHTTYPE DHT11 
DHT dht(DHTPIN, DHTTYPE);

float t = 0.0;
float h = 0.0;
unsigned long previousMillis = 0;    

const long interval = 10000;  

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  dht.begin();

}

void loop() {
  // put your main code here, to run repeatedly:
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    // save the last time you updated the DHT values
    previousMillis = currentMillis;
    // Read temperature as Celsius (the default)
    float newT = dht.readTemperature();
    // Read temperature as Fahrenheit (isFahrenheit = true)
    //float newT = dht.readTemperature(true);
    // if temperature read failed, don't change t value
    if (isnan(newT)) {
      Serial.println("Failed to read from DHT sensor!");
    }
    else {
      t = newT;
      Serial.print("Temperature =");
      Serial.println(t);
    }
    // Read Humidity
    float newH = dht.readHumidity();
    // if humidity read failed, don't change h value 
    if (isnan(newH)) {
      Serial.println("Failed to read from DHT sensor!");
    }
    else {
      h = newH;
      Serial.print("Humidity =");
      Serial.println(h);
    }
  }

}