from machine import Pin, PWM, I2C
from time import sleep
from dht import DHT22 

from pico_i2c_lcd import I2cLcd


dht = DHT22(Pin(22)) 

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)

# getting I2C address
I2C_ADDR = i2c.scan()[0]

lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)


def BuzzerFunc():
  buzzer = PWM(Pin(15))
  buzzer.duty_u16(500)
  sleep(1)
  buzzer.duty_u16(0)


while True:
   
    dht.measure()
    temp = dht.temperature()
    hum = dht.humidity()

    print(f"Temperature: {temp}°C   Humidity: {hum}% ")
    lcd.putstr("Temperature: {temp}°C   Humidity: {hum}% ")
    
    sleep(5)        
    lcd.clear()
    sleep(1)
    
    
    sleep(2)

    if(temp > 20 and hum > 30):
      BuzzerFunc(0)
    else:
      None