from machine import Pin
from time import sleep
import neopixel

gumbZ = Pin(16, Pin.IN, Pin.PULL_UP)
gumbM = Pin(4, Pin.IN, Pin.PULL_UP)

num_leds = 16

ring =neopixel.NeoPixel(Pin(12),num_leds)
barva=([0,0,0])

while True:
  if gumbZ.value() == 0:
    for i in range(num_leds):
      ring[i] = [0, 255, 0]
      ring.write()
      sleep(0.5)
  elif gumbM.value()==0:
    for i in range(num_leds):
      ring[i]= [0,0,0]
      ring.write()