import network 
import urequests 
import machine 
import dht 
from time import sleep 
wlan = network. WLAN (network.STA_IF) 
wlan.active(True) 
wlan.connect("Wokwi-GUEST", "")
while not wlan.isconnected(): 
    print(".", end="") 
    sleep(0.1) 
print("\nConnected!") 
print(wlan.ifconfig())
sensor = dht.DHT22(machine.Pin(2))
temp=0
while True: 
    try: 
        sensor.measure() 
        temp = sensor.temperature() 
        hum = sensor.humidity() 
# Temperature in °C 
# Humidity in % 
        print("Temperature: °C Humidity: {}%".format(temp, hum)) 
    except Exception as e: 
        print("Sensor error:", e) 
# 
    url = ("https://api.thingspeak.com/update?api_key=IY0UQ59YNPT3N3P0&field2={}".format(temp))
    response = urequests.get(url) 
    print("Response from ThingSpeak:", response.text)
    response.close() 
# Delay (15 seconds as per ThingSpeak requirement)
    for i in range(15, 0, -1): 
        sleep(1)
        print(i)