#include "DHT.h"

// Define the DHT sensor type and pin
#define DHTTYPE DHT22
#define DHTPIN 2

// Initialize the DHT sensor
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // Start serial communication
  Serial.begin(9600);
  Serial.println("DHT22 Sensor Test");

  // Initialize the sensor
  dht.begin();
}

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

  // Check if the readings are valid
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print the readings to the Serial Monitor
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");

  // Wait 2 seconds between readings
  delay(2000);
}
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