import machine
import dht
import time
from machine import Pin

DHT_PIN = 18

class DHT22App:
    def __init__(self):
        self.dht_sensor = dht.DHT22(Pin(DHT_PIN))
        self.temperature = None
        self.humidity = None

    def read_sensor_data(self):
        try:
            while True:
                # Read data from the DHT22 sensor
                self.dht_sensor.measure()
                self.temperature = self.dht_sensor.temperature()
                self.humidity = self.dht_sensor.humidity()

                if self.temperature is not None and self.humidity is not None:
                    print(f'Temperature: {self.temperature:.2f}°C, Humidity: {self.humidity:.2f}%')
                else:
                    print('Failed to get reading. Try again!')

                
                time.sleep(2)

        except KeyboardInterrupt:
            print('Measurement stopped by the user.')

        except Exception as e:
            print(f'Error: {e}')

if __name__ == "__main__":
    app = DHT22App()
    app.read_sensor_data()