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

led = PWM(Pin(18))
led.freq(1000)

adc = ADC(Pin(32))
adc.atten(ADC.ATTN_11DB)
adc.width(ADC.WIDTH_12BIT)



while(1):
    val= adc.read() * 8 
    print(val)
    led.duty_u16(val)
    sleep(0.01)