# 在micropython控制neopixel灯珠动画
import neopixel
from machine import Pin
from time import sleep

pixPin = 0
pixSize = 8
pix = neopixel.NeoPixel(Pin(pixPin), pixSize)

brightness = .1
red = (255, 0, 0)
green = (0, 255, 0)
# blue = (0, 0, 255)
# cyan = (0, 255, 255)
# magenta = (255, 0, 255)
# yellow = (255, 255, 0)
# orange = (255, 100, 0)
# white = (255, 255, 255)
while True:
    for i in range(0, pixSize-1, 1):
        pix.fill(red)
        pix[i] = green
        pix.write()
        sleep(.5)
    for i in range(pixSize-1, 0, -1):
        pix.fill(red)
        pix[i] = green
        pix.write()
        sleep(.5)
# pix.fill(blue)