import time
import utime
import math 
from machine import Pin, ADC
#analog temperature sensor NTC
time.sleep(0.1)

sensor = ADC(26)

while True:
    temp_value = sensor.read_u16()
    BETA = 3950;
    analogValue = temp_value
    celsius = 1 /(math.log(1/(65535. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
    print(celsius)