from machine import Pin
from neopixel import NeoPixel
from time import sleep
# VCC -  rot  - 3V3
# GND -  blau - GND
# DIN -  gelb - D10/GPIO15 
pixels = NeoPixel(Pin(15), 12)
print("Start")

#           r   g  b
pixels[0]=(255, 0, 0)
pixels.write()
sleep(1)
pixels[-1]=(0,128,0)
pixels.write()
sleep(0.5)
pixels[2]=(0,0,64)
pixels.write()
sleep(0.25)
print("ENDE")