from machine import Pin, SPI, ADC
import max7219
from utime import sleep
MAX7219_NUM = 1
MAX7219_INVERT = False
MAX7219_SCROLL_DELAY = 0.15
cs_pin = 5
spi = SPI(0)
display = max7219.Matrix8x8(spi=spi, cs=Pin(cs_pin), num=MAX7219_NUM)
display.brightness(2)
    
while True:
   text = "I <3 U"
   
   for p in range(MAX7219_NUM * 8, len(text) * -8 - 1, -1):
       display.fill(MAX7219_INVERT)
       display.text(text, p, 1, not MAX7219_INVERT)    # Display in the x, y position(string, x, y, color=1) 
       display.show()
       sleep(MAX7219_SCROLL_DELAY)