from machine import Pin, ADC
from math import log
from time import sleep
NTC1 = ADC(Pin(13))
NTC2 = ADC(Pin(14))
led1 = Pin(12,Pin.OUT)
led2 = Pin(27,Pin.OUT)
led1.value(0)
led2.value(0)

BETA = 3950

while True:
    analogValue1 = NTC1.read()
    celsius1 = 1 / (log(1 / (4095. / analogValue1 - 1)) / BETA + 1.0 / 298.15) - 273.15
    s = celsius1
    analogValue2 = NTC2.read()
    celsius2 = 1 / (log(1 / (4095. / analogValue2 - 1)) / BETA + 1.0 / 298.15) - 273.15
    v = celsius2
    print(s,v)
    sleep(0.5)
    if s < 5 and v > 20:
        led1.value(1)
    elif s > 20 or v < 20:
        led1.value(0)