import machine
import dht
import time

# Define the GPIO pin where DHT22 is connected
DHT_PIN = 18  # Changed to GPIO 18

# Initialize the DHT22 sensor
sensor = dht.DHT22(machine.Pin(DHT_PIN))

print("Starting DHT22 Sensor on GPIO 18...")

while True:
    try:
        sensor.measure()
        temp = sensor.temperature()
        humidity = sensor.humidity()
        
        print(f"Temperature: {temp:.1f}°C, Humidity: {humidity:.1f}%")
    
    except Exception as e:
        print("Error reading DHT22:", e)
    
    time.sleep(2)