from machine import Pin, SoftI2C
import dht
import time
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

led = Pin(5, Pin.OUT)
sensor = dht.DHT22(Pin(14))
I2C_ADDR = 0x27
totalRows = 2
totalColumns = 16
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=10000) #initializing the I2C method for ESP32
lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns)
lcd.putstr("Hello")
h = -1

while True:
  sensor.measure() # read the parameters from the sensor
  t = sensor.temperature()
  if h != sensor.humidity():# if the humidity is changed the LCD will display the value
    h = sensor.humidity()
    lcd.clear()
    lcd.putstr("The Humidity:   ")
    lcd.putstr(str(h))
  '''
  if the degree over 40C  -> The light turns on
  if the degree below 40C -> The light turns off
  '''
  if t > 40:
    led.on()
  else:
    led.off()
  time.sleep(1)  
  lcd.clear()