from machine import Pin
import utime 
pins = [ 
    Pin(16,Pin.OUT), 
    Pin(17,Pin.OUT), 
    Pin(18,Pin.OUT), 
    Pin(19,Pin.OUT), 
    Pin(13,Pin.OUT), 
    Pin(14,Pin.OUT), 
    Pin(15,Pin.OUT), 
    Pin(12,Pin.OUT),
] 
    
chars = [ 
    [1, 0, 0, 0, 0, 0, 0, 0], #0 
    [1, 1, 1, 0, 0, 1, 1, 1], #1 
    [0, 1, 0, 0, 1, 0, 0, 0], #2 
    [0, 1, 0, 0, 0, 0, 1, 0], #3 
    [0, 0, 1, 0, 0, 1, 1, 0], #4 
    [0, 0, 0, 1, 0, 0, 1, 0], #5 
    [0, 0, 0, 1, 0, 0, 0, 0], #6 
    [1, 1, 0, 0, 0, 1, 1, 1], #7 
    [0, 0, 0, 0, 0, 0, 0, 0], #8 
    [0, 0, 0, 0, 0, 0, 1, 0], #9 
] 
        
def clear(): 
    for i in pins: 
        i.value(1) 
clear() 
while True: 
    for i in range(len(chars)): 
        for j in range(len(pins)): 
            pins[j].value(chars[i][j]) 
        utime.sleep(1)