from machine import Pin
import time

D0=Pin(2,Pin.OUT)
D1=Pin(0,Pin.OUT)
D2=Pin(4,Pin.OUT)
D3=Pin(16,Pin.OUT)
D4=Pin(17,Pin.OUT)
D5=Pin(5,Pin.OUT)
D6=Pin(18,Pin.OUT)
D7=Pin(19,Pin.OUT)

def PORT(dat):
    D0.value(dat & 1)
    D1.value((dat >> 1) & 1)
    D2.value((dat >> 2) & 1)
    D3.value((dat >> 3) & 1)
    D4.value((dat >> 4) & 1)
    D5.value((dat >> 5) & 1)
    D6.value((dat >> 6) & 1)
    D7.value((dat >> 7) & 1)

while True:
    PORT(192)
    time.sleep(1)

    PORT(240)
    time.sleep(1)

    PORT(252)
    time.sleep(1)

    PORT(255)
    time.sleep(1)

    PORT(252)
    time.sleep(1)

    PORT(240)
    time.sleep(1)
    
    PORT(192)
    time.sleep(1)
    
    PORT(0)
    time.sleep(1)