import Adafruit_DHT
from gpiozero import LED
import time

# Define the sensor type and pin number
DHT_SENSOR = Adafruit_DHT.DHT22  # Change to DHT11 if using that sensor
DHT_PIN = 4                      # GPIO pin for DHT sensor

# Define the LED pin
led = LED(17)                    # GPIO pin for LED

# Define temperature thresholds (in Celsius)
LOW_THRESHOLD = 15.0  # Minimum acceptable temperature
HIGH_THRESHOLD = 30.0 # Maximum acceptable temperature

while True:
    # Read the humidity and temperature from the DHT sensor
    humidity, temperature = Adafruit_DHT.read_retry(DHT_SENSOR, DHT_PIN)

    if temperature is not None:
        print(f'Temperature={temperature:.1f}°C Humidity={humidity:.1f}%')

        # Check if temperature is outside defined thresholds
        if temperature < LOW_THRESHOLD or temperature > HIGH_THRESHOLD:
            led.on()  # Turn on LED if outside thresholds
            print("Alert! Temperature out of range!")
        else:
            led.off()  # Turn off LED if within thresholds

    else:
        print("Failed to retrieve data from humidity sensor")

    time.sleep(10)  # Wait for 10 seconds before next reading