#include <DHT.h>  // Include the DHT sensor library to handle the DHT11 sensor functions

#define DHTPIN 2  // Define the pin where the data wire of the DHT11 sensor is connected
#define DHTTYPE DHT11  // Specify the type of DHT sensor being used (DHT11)

DHT dht(DHTPIN, DHTTYPE);  // Create a DHT object named 'dht' that uses the specified pin and sensor type

void setup() {
  Serial.begin(9600);  // Initialize serial communication at a baud rate of 9600, enabling data transmission to the computer
  dht.begin();  // Initialize the DHT sensor
}

void loop() {
  Serial.print("Humidity: ");  // Print the text "Humidity: " to the serial monitor
  Serial.print(dht.readHumidity());  // Read and print the humidity value from the DHT sensor
  Serial.print(" %, Temp: ");  // Print the text " %, Temp: " to the serial monitor
  Serial.print(dht.readTemperature());  // Read and print the temperature value from the DHT sensor
  Serial.println(" Celsius");  // Print the text " Celsius" and move to a new line on the serial monitor
  delay(2000);  // Wait for 2 seconds before running the loop again (to avoid flooding the serial monitor with data)
}