from machine import Pin
import time
ds = Pin(15, Pin.OUT)
latch = Pin(2, Pin.OUT)
shift = Pin(4, Pin.OUT)
 
dig1 = Pin(5, Pin.OUT)
dig2 = Pin(18, Pin.OUT)
dig3 = Pin(19, Pin.OUT)
dig4 = Pin(21, Pin.OUT)

dic = {"1":0x60, "2":0xDA, "3":0xF2, 
"4":0x66, "5":0xB6, "6":0xBE, "7":0xE0, "8":0xFE,
"9":0xF6, "0":0xFC, "clr":0x00}


def disp(mun):
    temp = dic.get(mun)
    for i in range(8):
        val = temp&1
        ds.value(val)
        shift.off()
        shift.on()
        temp = temp>>1
    latch.off()
    latch.on()
   

t = 0.01
while True:
    disp("clr")
    dig1.value(0)
    dig2.value(1)
    dig3.value(1)
    dig4.value(1)
    disp("1")
    time.sleep(t)

    disp("clr")
    dig1.value(1)
    dig2.value(0)
    dig3.value(1)
    dig4.value(1)
    disp("0")
    time.sleep(t)

    disp("clr")
    dig1.value(1)
    dig2.value(1)
    dig3.value(0)
    dig4.value(1)
    disp("2")
    time.sleep(t)

    disp("clr")
    dig1.value(1)
    dig2.value(1)
    dig3.value(1)
    dig4.value(0)
    disp("4")
    time.sleep(t)