from machine import Pin, ADC
from utime import sleep
import onewire
import ds18x20
import network
import urequests
import ujson
from math import log

redLed = Pin(15, Pin.OUT)
greenLed = Pin(18, Pin.OUT)

def adc_to_cel(x):
    BETA = 3950
    KELVIN = 273.15
    print(x / 4095 * 3.3)
    return (1/ (log(1/(4095/x - 1)) / BETA + 1/298.15) - KELVIN)
    
def send_temperature():
    ds_pin = ADC(Pin(35, Pin.IN))
    ds_pin.atten(ADC.ATTN_11DB)
   
    while True:
        print(adc_to_cel(ds_pin.read()))
        sleep(0.1)



def do_connect():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)

    redLed.off()
    greenLed.off()

    if not wlan.isconnected():
        print('connecting to network...')

        wlan.connect('Wokwi-GUEST', '')

        while not wlan.isconnected():
            redLed.on()
            sleep(0.5)
            redLed.off()
            sleep(0.5)

            pass

    redLed.off()
    greenLed.on()

    print('network config:', wlan.ifconfig())
    send_temperature()

        


do_connect()