from machine import Pin, ADC
from time import sleep

potenziometro = ADC(26)

leds = [Pin(12, Pin.OUT), Pin(13, Pin.OUT), Pin(14, Pin.OUT)]

soglie = [400, 35000, 65000]

while True:
    valore_pot = potenziometro.read_u16()
    for i in range(3):
        if valore_pot == 65535:
            leds[0].value(1)
            leds[1].value(1)
            leds[2].value(1)
            sleep(0.5)
            leds[0].value(0)
            leds[1].value(0)
            leds[2].value(0)
        else:
            if valore_pot >= soglie[i]:
                leds[i].value(1)
            else:
                leds[i].value(0)
    sleep(0.5)