#include <Adafruit_Sensor.h>
#include <DHT.h>

// Define DHT22 pin and type
#define DHTPIN 4  // GPIO pin connected to DHT22 data pin
#define DHTTYPE DHT22  // DHT22 sensor

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

void setup() {
  Serial.begin(115200);  // Start serial communication
  Serial.println("DHT22 Temperature and Humidity Measurement");
  dht.begin();
}

void loop() {
  delay(2000);  // Wait for 2 seconds before reading again

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

  // Check for failed readings
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT22 sensor!");
    return;
  }

  // Print readings to Serial Monitor
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");

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

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