from machine import Pin
import utime

seg1 = [Pin(i, Pin.OUT) for i in range (7)]
seg2 = [Pin(i, Pin.OUT) for i in range (7, 14)]
seg3 = [Pin(i, Pin.OUT) for i in range (14, 21)]

numbers = [
    [1, 1, 1, 1, 1, 1, 0],
    [0, 1, 1, 0, 0, 0, 0],
    [1, 1, 0, 1, 1, 0, 1],
    [1, 1, 1, 1, 0, 0, 1],
    [0, 1, 1, 0, 0, 1, 1],
    [1, 0, 1, 1, 0, 1, 1],
    [1, 0, 1, 1, 1, 1, 1],
    [1, 1, 1, 0, 0, 0, 0],
    [1, 1, 1, 1, 1, 1, 1],
    [1, 1, 1, 1, 0, 1, 1]
]

def number(num):
    if num >= 0 and num <= 99:
        if num < 10:
            for i in range (len(seg1)):
                seg1[i].value(numbers[0][i]);
                seg2[i].value(numbers[0][i]);
                seg3[i].value(numbers[num][i]);
            utime.sleep(0.5)
        else:
            r2 = num % 10
            r1 = num // 10
            for i in range (len(seg1)):
                seg1[i].value(numbers[0][i]);
                seg2[i].value(numbers[r1][i]);
                seg3[i].value(numbers[r2][i]);
            utime.sleep(0.5)
    else:
        s1 = num % 10
        s2 = (num // 10) % 10 # middle
        s3 = num // 100 # left
        for i in range (len(seg1)):
            seg1[i].value(numbers[s3][i])
            seg2[i].value(numbers[s2][i])
            seg3[i].value(numbers[s1][i])
        utime.sleep(0.5)

while True:
    for i in range (95, 1000):
        number(i)