from machine import Pin
from utime import sleep
import dht
import ujson
import network
import urequests
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect("Wokwi-GUEST", "")

URL = "https://api.thingspeak.com/update"
API_KEY = "*******"
sensor = dht.DHT22(Pin(2))

def send_data(temp, temp_f, hum):
    data = {
        'api_key': API_KEY,
        'field1': temp,
        'field2': temp_f,
        'field3': hum
    }
    response = urequests.post(URL, json=data)
    responseText = response.text
    response.close()
    return responseText

while True:
    try:
        sleep(5)
        sensor.measure()
        temp = sensor.temperature()
        hum = sensor.humidity()
        temp_f = temp * (9/5) + 32.0
        print('\nTemperatura: %3.1f C' % temp)
        print('Temperatura: %3.1f F' % temp_f)
        print('Humedad: %3.1f %%' % hum)
        
        response = send_data(temp, temp_f, hum)
        print('Respuesta de ThingSpeak:', response)
    except OSError as e:
        print('Error al leer sensor:', e)