from machine import ADC,Pin
import time
import math

adc0=ADC(35)  #Vertical
adc0.atten(ADC.ATTN_11DB) 



while True:
    val0=adc0.read_uv()
    val1=(val0/1000)
    #print(val1)
    #celsius=math.log10(100)
    celsius = 1 / (math.log(1 / (3171 / val1 - 1)) / 3950 + 1.0 / 298.15) - 273.15
    celsin=celsius+8
    
    print(celsin)