#include "DHT.h"

#define DHTPIN 4          // Define the GPIO pin where the data pin of DHT is connected
#define DHTTYPE DHT22     // DHT 22 (AM2302), you can change to DHT11 if using DHT11

DHT dht(DHTPIN, DHTTYPE); // Initialize DHT sensor.

void setup() {
  Serial.begin(115200);   // Initialize serial communication at a baud rate of 115200
  dht.begin();            // Start the DHT sensor
}

void loop() {
  float humidity = dht.readHumidity();       // Read humidity
  float temperature = dht.readTemperature(); // Read temperature in Celsius

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

  // Print the results to the Serial Monitor
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" *C ");

  delay(2000); // Wait a few seconds between measurements
}