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

frecuency=500
led=PWM(Pin(15),frecuency)
pot=ADC(Pin(35))
pot.width(ADC.WIDTH_9BIT)
pot.atten(ADC.ATTN_11DB)

while True:

    pot_value=pot.read()
    print(pot_value)

    if pot_value<15:
        led.duty(0)
    else:
        led.duty(pot_value)

    sleep(0.1)