#include "DHT.h"

#define DHTPIN 4        // GPIO 4
#define DHTTYPE DHT22   // DHT22 sensor

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);   // Wokwi recommended baud rate
  dht.begin();
  Serial.println("ESP32 + DHT22 (Wokwi)");
}

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

  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read DHT22!");
    delay(2000);
    return;
  }

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");

  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  Serial.println("--------------------");
  delay(2000);
}