# MAX7219 driver for micropython, Turns on at low light environment
# by Davood Hakemi @ElectroHakemi

from machine import SPI, Pin
from max7219 import Matrix8x8

knockPin = Pin(13)

def isKnocked():
    return not knockPin()

max_clk = const(18)
max_din = const(23)
max_cs = const(5)

spi = SPI(2)

display = Matrix8x8(spi, Pin(5), 4)

display.brightness(10)

text = 'ElectroHakemi'
        
# loop
while True:
    if isKnocked():
        display.scroll(text, 50)