from machine import Pin, I2C
import dht
import time
from i2c_lcd import I2cLcd

# Initialize I2C for the LCD
i2c = I2C(1, scl=Pin(22), sda=Pin(21), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)  # Change 0x27 to your LCD’s I2C address if needed

# Initialize DHT22 sensor
sensor = dht.DHT22(Pin(4))

while True:
    try:
        # Read temperature and humidity from DHT22
        sensor.measure()
        temperature = sensor.temperature()
        humidity = sensor.humidity()

        # Display temperature and humidity on the LCD
        lcd.clear()
        lcd.putstr("Temp: {:.1f}C".format(temperature))
        lcd.move_to(0, 1)  # Move cursor to the second line
        lcd.putstr("Humidity: {:.1f}%".format(humidity))

    except OSError as e:
        # Display error message if reading fails
        lcd.clear()
        lcd.putstr("Sensor error")

    # Wait before taking the next reading
    time.sleep(2)