import max7219
from machine import Pin, SPI
import time

# Pinbelegung
# Pin 13 --> DIN
# Pin 14 --> CLK
# Pin 27 --> CS

# Initialisierung
spi = SPI(1)
display = max7219.Matrix8x8(spi, Pin(27), 1)

while True:
  # Zeige I an
  display.text('I',0,0,1)
  display.show()
  time.sleep(2)
  display.fill(0)

  # Zeige o an
  display.text('o',0,0,1)
  display.show()
  time.sleep(2)
  display.fill(0)

  # Zeige T an
  display.text('T',0,0,1)
  display.show()
  time.sleep(2)
  display.fill(0)