#include <DHT.h>
#define DHTPIN 9
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);
void setup() {
  // put your setup code here, to run once:
dht.begin();
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
float temperature=dht.readTemperature();
float humidity=dht.readHumidity();
if(isnan(temperature) || isnan(humidity)){
  Serial.println("Failed to read from DHT22 sensor!");
}
else{
  Serial.print("Temperature: ");
    Serial.print(temperature);
   
    Serial.print(" °C  |  Humidity: ");
    
    Serial.print(humidity);
    Serial.println(" %"); delay(3000);

}
}