import machine
import dht
import time
import network
import urequests

# Initialize sensor
sensor = dht.DHT22(machine.Pin(15))

# Connect to Wi-Fi
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect("Your_SSID", "Your_PASSWORD")

while not wifi.isconnected():
    time.sleep(1)
print("Connected to Wi-Fi")

# ThingSpeak API
url = "https://api.thingspeak.com/update?api_key=YOUR_API_KEY"

while True:
    sensor.measure()
    temp = sensor.temperature()
    hum = sensor.humidity()
    print(f"Temp: {temp}°C, Humidity: {hum}%")

    # Upload data
    response = urequests.get(f"{url}&field1={temp}&field2={hum}")
    response.close()

    time.sleep(2)  # ThingSpeak requires 15s between updates