#include "DHTesp.h"  // Include the DHTesp library for ESP32 and DHT sensors

#define DHT_PIN 15  // Define the data pin where DHT22 is connected to ESP32 (e.g., GPIO 15)

DHTesp dht;  // Create an instance of the DHTesp class to interface with the DHT sensor

void setup() {
  Serial.begin(115200);    // Initialize serial communication with baud rate 115200
  dht.setup(DHT_PIN, DHTesp::DHT22); // Set up the DHT sensor (DHT22 type) on the defined pin
  Serial.println("DHT22 Sensor Test Start"); // Output a startup message
}

void loop() {
  // Read temperature and humidity values from the DHT22 sensor
  TempAndHumidity data = dht.getTempAndHumidity();

  // Check if the readings are valid
  if (isnan(data.temperature) || isnan(data.humidity)) {
    Serial.println("Failed to read from DHT22 sensor, please check the wiring!");
  } else {
    // Print the temperature value to the Serial Monitor
    Serial.print("Temperature: ");
    Serial.print(data.temperature);
    Serial.println(" °C");

    // Print the humidity value to the Serial Monitor
    Serial.print("Humidity: ");
    Serial.print(data.humidity);
    Serial.println(" %");

    Serial.println("----------------------"); // Separator for better readability
  }

  delay(2000); // Wait for 2 seconds before taking the next reading
}