import random
import dht
from machine import Pin, PWM
from utime import sleep

sensor = dht.DHT22(Pin(2))
led1 = Pin(0, Pin.OUT)
speak = PWM(Pin(2))
speak.freq(500)

while True:
    led1.off()
    speak.duty_u16(0)
    sensor.measure()
    temp = random.randint(20, 60)
    hum = sensor.humidity()
    print(f"Temperature: {temp}, humidity: {hum}")
    if temp > 40:
        led1.on()
        speak.duty_u16(1000)
    sleep(2)