from machine import Pin
from time import sleep
import dht
Ledr=Pin(21,Pin.OUT)
Ledo=Pin(25,Pin.OUT)
buzzer=Pin(22,Pin.OUT)
cap=Pin(26,Pin.OUT)
d=dht.DHT22(cap)
while True:
    d.measure()
    t=d.temperature()
    print("temperature=",t,"C")
    if t < 14:
        Ledr.on()
    elif 14 <=t<20
        Ledb.on()
    else :
        ledv.on()
    sleep(5)