from machine import Pin, Timer
import dht

dht22 = dht.DHT22(Pin(4))

def take_measurement_isr(event):
    dht22.measure()
    print("Temp: ", dht22.temperature(), "ํ ํC, Humidity: ", dht22.humidity(), "%")


dht_timer = Timer(1)    
dht_timer.init(period=5000, mode=Timer.PERIODIC, callback=take_measurement_isr)