from machine import ADC, PWM, Pin
import time

pot = ADC(Pin(34))
pot.atten(ADC.ATTN_11DB)

led = PWM(Pin(2), freq=1000)

while True:
    value = pot.read()

    brightness = int(value / 16)

    led.duty(brightness)

    print("Brightness:", brightness)

    time.sleep(0.1)