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

led1 = Pin(5, Pin.OUT)
sensor = dht.DHT22(Pin(14))

led2 = Pin(15, Pin.OUT)
lrd= ADC(Pin(33)) 

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))
  '''
  nếu nhiệt độ > 30 thì led 1 bật và ngược lại
  '''
  if t > 30:
    led1.on()
  else:
    led1.off()
  time.sleep(1)  
  lcd.clear()

# đk ánh sáng
while True:
    y = lrd.read() 
    if y< 2600 :
        print("Đèn đang tắt")
        led2.value(0)
    else:
        print("Đèn đang bật")
        led2.value(1)
    time.sleep(0.3)