#include <DHT.h>
#define DHHTPIN 15
#define DHTTYPE DHT22 
DHT dht (DHHTPIN, DHTTYPE);

void setup() {
Serial.begin(115200);
Serial.println("Hello, ESP32!");
dht.begin();
}

void loop() {
float temp =dht.readTemperature();
float humidity= dht.readHumidity();
Serial.print("weather ");
if (isnan (temp) || isnan (humidity)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
String message = "temp: "+ String(temp) + "    humidity:" + String (humidity);
Serial.println(message);
delay(500);
}