from machine import Pin,ADC
from time import sleep
import neopixel
import random

led_num = 16
led = neopixel.NeoPixel(Pin(5),led_num)
potpin = 4
pot1 = ADC(Pin(potpin))
c=int(input("vnesi število od 1 do 255"))

while True:
  for l in range(led_num):
    a=random.randrange(255)
    b=random.randrange(255)
    led[l] = (a,b,c)
    led[l-1] = (0,0,0)
    led.write()
    t = pot1.read() / 2000
    sleep(t)