from machine import Pin, Timer
import network
import urequests
import time
import sys
from dht import DHT22
dht22 = DHT22(Pin(12))
def readDht():
    dht22.measure()
    return dht22.temperature(),dht22.humidity()
print(readDht())
WIFI_SSID = "Wokwi-GUEST"
WIFI_PASSWORD = ""
def connect_wifi():
    wifi = network.WLAN(network.STA_IF)
    wifi.active(True)
    wifi.disconnect()
    wifi.connect(WIFI_SSID,WIFI_PASSWORD)
    if not wifi.isconnected():
        print('connecting..')
        timeout = 0
        
        while (not wifi.isconnected() and timeout < 10):
            print(10 - timeout)
            timeout = timeout + 1
            time.sleep(1)
    
    if(wifi.isconnected()):
        print('connected')
    else:
        print('not connected')
        sys.exit()
    print('network config :',wifi.ifconfig())
connect_wifi()
HTTP_HEADERS = {'Content-Type':'application/json'}
THINGSPEAK_WRITE_API_KEY = '74V83PH31D6QCOV7'
while True:
    dht22 = DHT22(Pin(12))

    dht22.measure()

    print("Temperature:{}".format(dht22.temperature()))
    print("humidity:{}".format(dht22.humidity()))

    
    temperature = dht22.temperature()
    humidity=dht22.humidity()
    
    dht_reading={'field1':temperature,'field2':humidity}
    

    dht_reading = {'field1':temperature,'field2':humidity}
    request=urequests.post('https://api.thingspeak.com/update?api_key='+THINGSPEAK_WRITE_API_KEY,json = dht_reading, headers = HTTP_HEADERS)

    request.close()
    print(dht_reading)
    print("Msg sent to Thingspeak channel Successfully ...")
    print("*****************************************************")
    time.sleep(5)