from machine import ADC
from time import sleep
import math

thermistor = ADC(28)
Ro = 10000  # 10k Resistor
A = 0.001129148;B = 0.000234125;C = 0.0000000876741

def read_temperature():
    # Get Voltage value from ADC   
    adc = thermistor.read_u16()
    Vout = (3.3/65535) * adc
    Rt = (Vout * Ro) / (3.3 - Vout)
    TempK = 1 / (A + (B * math.log(Rt)) + C * math.pow(math.log(Rt), 3))
    TempC = TempK - 273.15
    return round(TempC, 1)

while True:
    temperature = read_temperature()
    print(temperature)
    sleep(0.5)