from machine import Pin
from time import sleep
from dht import DHT22
from RPLCD.i2c import CharLCD

# Initialize the LCD display
lcd = CharLCD('PCF8574', 0x27)
lcd.clear()

# Initialize the DHT22 sensor (assume it's connected to GP15)
sensor = DHT22(Pin(15))

while True:
    # Measure temperature and humidity
    sensor.measure()
    temp = sensor.temperature()
    humidity = sensor.humidity()

    # Clear LCD to update it with the new information
    lcd.clear()

    # Display the temperature and humidity
    lcd.write_string(f"Temp: {temp}°C\n")
    lcd.write_string(f"Humidity: {humidity}%")
    
    # Check temperature range and update the LCD accordingly
    lcd.set_cursor(0, 1)  # Move to the second line for temperature warning
    if temp > 32:
        lcd.write_string("Temp is too high.")
    elif temp == 32:
        lcd.write_string("Temp is perfect.")
    elif temp < 32:
        lcd.write_string("Temp is too low.")
    
    # Check humidity range and update the LCD accordingly
    lcd.set_cursor(0, 2)  # Move to the third line for humidity warning
    if humidity > 60:
        lcd.write_string("Too humid.")
    elif humidity == 60:
        lcd.write_string("Humidity is perfect.")
    elif humidity < 60:
        lcd.write_string("Lacking humidity.")
    
    # Wait for a moment before updating again
    sleep(2)