from time import sleep
sleep(0.1)

from machine import Pin, ADC

pot = ADC(Pin(28))

leds =[
    Pin(6, Pin.OUT),
    Pin(7, Pin.OUT),
    Pin(8, Pin.OUT),
    Pin(9, Pin.OUT),
    Pin(10, Pin.OUT),
    Pin(11, Pin.OUT),
    Pin(12, Pin.OUT),
    Pin(13, Pin.OUT),
    Pin(14, Pin.OUT),
    Pin(15, Pin.OUT)
]

while True:
    sleep(0.1)
    value = pot.read_u16()
    print(pot.read_u16())
    index = int(value / 65535 * 9)
    for i in range(0,10):
        if i <= index : leds[i].on()
        else: leds[i].off()