from machine import Pin
import time
import utime
conversion_factor=3.3/(65536)
adc2=machine.ADC(27)
while True:
  va12=adc2.read_u16()
  temp=(va12 * conversion_factor)*100
  temp1 = int(temp)
  temp2 = str(temp1)
  print("================")
  print("temperature:",temp1)
  time.sleep(0.8)