from machine import Pin
from neopixel import NeoPixel
from utime import sleep
neo = NeoPixel(Pin(0, Pin.OUT), 3)   # create NeoPixel driver on GPIO0 for 3 pixels
neo1 = NeoPixel(Pin(22, Pin.OUT), 16)   # create NeoPixel driver on GPIO0 for 3 pixels
while 1:
    for i in range(3):
        neo[i] = (0, 255, 0) # set the first pixel to white
    for i in range(16):
        neo1[i] = (0, 255, 0) # set the first pixel to white
    neo.write()              # write data to all pixels
    neo1.write() 
    sleep(0.5)
    for i in range(3):
        neo[i] = (0, 0, 0) # set the first pixel to white
    for i in range(16):
        neo1[i] = (0, 0, 0) # set the first pixel to white
    neo.write()              # write data to all pixels
    neo1.write() 
    sleep(0.5)