from machine import Pin
from time import sleep
import dht

# Pin definitions
led = Pin(2, Pin.OUT)  # LED on GPIO2
buzzer = Pin(15, Pin.OUT)  # Buzzer on GPIO15
dht_sensor = dht.DHT22(Pin(4))  # DHT22 sensor on GPIO4

# Temperature threshold (example value, adjust as needed)
TEMP_THRESHOLD = 30  # Temperature in °C

while True:
    try:
        dht_sensor.measure()
        temperature = dht_sensor.temperature()  # Get temperature
        humidity = dht_sensor.humidity()  # Get humidity
        print("Temperature:", temperature, "°C")
        print("Humidity:", humidity, "%")

        # Check temperature threshold and take action
        if temperature > TEMP_THRESHOLD:
            print("High Temperature Detected!")
            for _ in range(5):  # Blink LED and sound buzzer 5 times
                led.on()
                buzzer.on()
                sleep(0.5)  # Wait for 0.5 seconds
                led.off()
                buzzer.off()
                sleep(0.5)  # Wait for 0.5 seconds
        else:
            led.off()  # Ensure LED is off
            buzzer.off()  # Ensure Buzzer is off

    except OSError as e:
        print("Failed to read from DHT22 sensor:", e)

    sleep(1)  # Wait for 1 second before next measurement