#include <DHT.h>

DHT dht(4, DHT22);
float temperature ;
float humidity ;

void setup() {
  Serial.begin(115200);
  Serial.println("hello, esp32!");


}
void loop() {
  temperature  = dht.readTemperature();
  humidity     = dht.readHumidity();

  Serial.print("Temperature:\t");
  Serial.print(dht.readTemperature(false));
  Serial.println("C");

  Serial.print("Humidity:\t");
  Serial.print(dht.readHumidity(true));
  Serial.println("%");

}