from machine import Pin
import dht
from time import sleep
ledr=Pin(21,Pin.OUT)
ledb=Pin(22,Pin.OUT)
ledv=Pin(25,Pin.OUT)
cap=Pin(26,Pin.OUT)
d=dht.DHT22(cap)
while True:
    d.measure()
    t=d.measure()
    print("Temperature=",t,"c")
     
     if t<14:
        ledb.on()
    elif 14<=t<20:
        ledv.on()
         
    else:
        ledr.on()