text: from rpi_ws281x import PixelStrip, Color
  
  
  LED_COUNT = 89  # Number of LED pixels.
  LED_PIN = 18  # GPIO pin connected to the pixels (18 uses PWM!).
  # LED_PIN = 10        # GPIO pin connected to the pixels (10 uses SPI /dev/spidev0.0).
  LED_FREQ_HZ = 800000  # LED signal frequency in hertz (usually 800khz)
  LED_DMA = 10  # DMA channel to use for generating signal (try 10)
  LED_BRIGHTNESS = 180  # Set to 0 for darkest and 255 for brightest
  # True to invert the signal (when using NPN transistor level shift)
  LED_INVERT = False
  LED_CHANNEL = 0  # set to '1' for GPIOs 13, 19, 41, 45 or 53
  strip = PixelStrip(
      LED_COUNT,
      LED_PIN,
      LED_FREQ_HZ,
      LED_DMA,
      LED_INVERT,
      LED_BRIGHTNESS,
      LED_CHANNEL,
  )
  # Intialize the library (must be called once before other functions).
  strip.begin()
  