from machine import Pin
import dht
import time
from lcd import lcd_init, lcd_print, lcd_clear  # Make sure lcd.py is in same folder

# Initialize DHT22 sensor
dht_sensor = dht.DHT22(Pin(14))

# Initialize LED
led = Pin(12, Pin.OUT)

# Thresholds
TEMP_THRESHOLD = 30     # °C
HUMIDITY_THRESHOLD = 40 # %

# Initialize LCD
lcd_init()
lcd_print("DHT22 Monitor")

while True:
    dht_sensor.measure()
    temperature = dht_sensor.temperature()
    humidity = dht_sensor.humidity()

    print(f"Temperature: {temperature}°C | Humidity: {humidity}%")

    if temperature > TEMP_THRESHOLD or humidity < HUMIDITY_THRESHOLD:
        led.on()
        time.sleep(0.2)
        led.off()
        time.sleep(0.2)
        lcd_print("High Value!")
        print("Warning: High Value!")
    else:
        led.off()
        lcd_print("Status: OK")

    time.sleep(2)