from machine import ADC
import utime
print("Lectura de tempratura interna") 
pot = ADC(26)
factor_16=3.3/65536
while True:
    lecADC = pot.read_u16()
    voltaje = lecADC*factor_16
    print("ADC: ", lecADC, " Voltaje = {}v".format(voltaje))
    utime.sleep(0.2)

#
#     3.3v ----- 65536
#       Xv ----- Lec.ADC     
#
#      V=RI