text: from machine import Pin, SPI
  from lib.display.max7219 import Matrix8x8
  from time import sleep_ms
  
  # Initialisiere den SPI-Bus
  sck = Pin(18, Pin.OUT)
  mosi = Pin(23, Pin.OUT)
  miso = Pin(19, Pin.IN)
  cs = Pin(2, Pin.OUT)
  spi = SPI(baudrate=100000, polarity=0, phase=0, sck=sck, mosi=mosi, miso=miso)
  
  display = Matrix8x8(spi, cs, 4)
  display.brightness(0)
  
  display.fill(1)
  display.text('Halo',0,0,0)
  display.show()
  sleep_ms(2000)
  
  display.fill(0)
  display.text('Welt',0,0,1)
  display.show()
  sleep_ms(2000)
  
  display.fill(0)
  display.rect(0,0,32,8,1)
  display.show()
  