import network
import time
from machine import Pin
import dht
import ujson
from umqtt.simple import MQTTClient

sensor = dht.DHT22(Pin(16))

led_red = Pin(13, Pin.OUT)
led_green = Pin(12, Pin.OUT)

led_red.off()
led_green.off()

while True:
    sensor.measure()
    t = sensor.temperature()
    
    if t > 50:
        led_green.on()
        led_red.off()
    elif t > 40:
        led_red.on()
        led_green.off()
    else:
        led_red.off()
        led_green.off()
        
    time.sleep(1)