#include "DHT.h"

#define DHTPIN 2        // DHT22 data pin connected to digital pin 2
#define DHTTYPE DHT22   // Sensor type

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);   // Start serial communication
  dht.begin();          // Initialize the sensor
  Serial.println("DHT22 Digital Read Test");
}

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

  // Check if reading failed
  if (isnan(humidity) || isnan(tempC)) {
    Serial.println("Failed to read from DHT22!");
    return;
  }

  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %  |  Temperature: ");
  Serial.print(tempC);
  Serial.println(" °C");

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