# Import necessary libraries
from machine import Pin, SoftI2C
import dht
import time
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

# Define a GPIO pin for an LED
led = Pin(5, Pin.OUT)

# Create a DHT22 sensor object
sensor = dht.DHT22(Pin(14))

# Set the I2C address, total rows, and total columns for an LCD display
I2C_ADDR = 0x27
totalRows = 2
totalColumns = 16

# Create an I2C interface
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=10000)

# Initialize an LCD display
lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns)

# Display a "Hello" message on the LCD
lcd.putstr("Lab 5 Bai 1")
time.sleep(1)
# Initialize a variable for humidity
h = -1

# Start an infinite loop
while True:
    # Measure the sensor data
    sensor.measure()
    t = sensor.temperature()

    # Check if humidity has changed
    if h != sensor.humidity():
        h = sensor.humidity()
        lcd.clear()
        lcd.putstr("The Humidity: \n")
        lcd.putstr(str(h))

    # Check if temperature is above 40 degrees and control the LED accordingly
    if t > 40:
        led.on()
    else:
        led.off()

    # Wait for 1 second
    time.sleep(1)

    # Clear the LCD display
    lcd.clear()