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

pot = ADC(Pin(26))
led = PWM(Pin(14))
led.duty_u16(32768)
led.freq(50)

while True:
  pot_value = pot.read_u16()
  print(pot_value)
  led.duty_u16(pot_value)
  sleep(0.1)