from machine import Pin
import time
import neopixel
import random

pin = Pin(4)
NUM_LED = 16
np = neopixel.NeoPixel(pin, NUM_LED )

while True:
    for i in range(NUM_LED):
        r = random.randint(150,255)
        g = random.randint(150,255)
        b = random.randint(150,255)
        np[i] = [r, g, b]
        np.write()
        time.sleep(0.2)
    
# osveži ledice z novim podatkom