from machine import Pin, PWM, ADC
from time import sleep_ms

#led = PWM(Pin(25))         

qualquerCoisa = ADC(Pin(33))

while True:
    x = qualquerCoisa.read_u16()
    print (f'valor:{x}, V:{3.3*x/65535}')
    #led.duty_u16(v)
    sleep_ms(1000)