microbit.py

gistfile1.txt

from microbit import *
import audio
import math
import neopixel

nps = [neopixel.NeoPixel(pin0, i, bpp=3) for i in range(1,10)]
current_np = 0

while True:
    if button_a.is_pressed() or button_b.is_pressed():
        for _ in range(100):
            audio.play(Sound.HELLO)
            
            np = nps[current_np] 
            np[0] = (255, 0, 128)  # first element
            np[-1] = (0, 255, 0)  # last element
            np.show()  # only now will the updated value be shown
            current_np += 1
            if current_np == 9:
                current_np = 0