import machine
import time
import urequests
import network
import ujson
import dht
#thingspeak settings
THINGSPEAK_APK_KEY=""
THINGSPEAK_URL=""

#wifi settings
WIFI_SSID="wokwi-GUEST"
WIFI_PASSWORD=" "
#DHT22 (AM2302) sensor on GPIO 4
dht_sensor= dht.DHT22(machine.Pin(4))
#function to read room temperature and humidity
def read_room_temprature_humidity():
    dht_sensor.measure()
    temprature=dht_sensor.humidity():
    return temperature, humidity
#function to send data to thingspeak
def send_data_to_thingspeak(temperature, humidity):
    data={
        "api_key":THINGSPEAK_API_KEY,
        "field1":temperature,
        "field2": humidity,
    }
    response = urequests.post(THINGSPEAK_URL, data=ujson.dumps(data), headers={"Content-Type": "application/json"})
    response.close()

# Initialize the Wi-Fi connection
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(WIFI_SSID, WIFI_PASSWORD)

# Wait for the Wi-Fi connection to establish
while not wifi.isconnected():
    time.sleep(1)

print("Connected to Wi-Fi")

if __name__== "__main__":
    try:
        while True:
            temperature, humidity = read_room_temperature_humidity()
            send_data_to_thingspeak(temperature, humidity)
            print("Data sent to ThingSpeak")
            time.sleep(15)  # Send data every 15 seconds (adjust the interval as needed)
    except KeyboardInterrupt:
        pass