from machine import Pin
from time import sleep
import neopixel

neopixel_pin = Pin(1)

np = neopixel.NeoPixel(neopixel_pin,2)

while True:
    np[0] = [255,0,0]
    np[1] = [0,255,0]
    np.write()
    sleep(1)

    np[0] = [0,0,0]
    np[1] = [0,0,0]
    np.write()
    sleep(1)