// DHT22 Temperature and Humudity sensor
// Install the "DHT Sensor Library"
// wiring DHT22
// Connect the DHT22 sensor to the Arduino as follows:
// VCC to 5V on the Arduino
// GND to GND on the Arduino
// DATA to a digital pin on the Arduino (e.g., pin 2)

#include <DHT.h>

// Define the pin where the data line is connected
#define DHTPIN 2

// Define the type of sensor used
#define DHTTYPE DHT22
// Create an instance of the DHT class
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // Start the serial communication
  Serial.begin(9600);

  // Initialize the DHT sensor
  dht.begin();

}

void loop() {
  // Wait a few seconds between measurements
  delay(2000);

  // Read humidity and temperature
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  
  // 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");





}