from machine import Pin
from dht import DHT22  
from neopixel import Neopixel
import time

# Configure the number of LEDs and the pins for NeoPixel and DHT22
NUM_LEDS = 16
PIN_NUM = 0
TEMP_PIN = 15  

# Initialize the NeoPixel strip and the DHT22 sensor
np = Neopixel(NUM_LEDS, 0, PIN_NUM, mode="RGB")
dht = DHT22(Pin(TEMP_PIN))

# Function to update LED colors based on temperature
def update_lights_based_on_temperature():
    while True:
        dht.measure()  # Measure temperature and humidity
        temp = dht.temperature()  # Get the temperature in Celsius
        print(f"Temperature: {temp}°C")
        
        # Set LED color based on temperature range
        if temp < 20:
            color = (0, 0, 255)  # Blue for cold temperatures
        elif 20 <= temp <= 35:
            color = (255, 0, 0)  # Red for normal temperatures
        else:
            color = (0, 255, 0)  # Green for hot temperatures
        
        np.fill(color)  # Set all LEDs to the selected color
        np.show()  # Update the LED strip
        time.sleep(1)  # Wait for 1 second before the next reading

# Call the function to start updating lights based on temperature
update_lights_based_on_temperature()