from machine import Pin
import time

segments = [Pin(i, Pin.OUT) for i in range(7)]
dp = Pin(7, Pin.OUT)
colon = Pin(8, Pin.OUT)

digits = [Pin(10,Pin.OUT),Pin(11,Pin.OUT),Pin(12,Pin.OUT),Pin(13,Pin.OUT)]

red = Pin(27,Pin.OUT)
yellow = Pin(26,Pin.OUT)
green = Pin(22,Pin.OUT)

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 show(sec):
    
    m = sec//60
    s = sec%60
    
    d1=m//10
    d2=m%10
    d3=s//10
    d4=s%10
    
    vals=[d1,d2,d3,d4]
    
    for _ in range(80):
        for i in range(4):
            digits[i].value(1)
            for j in range(7):
                segments[j].value(numbers[vals[i]][j])
            colon.value(1)
            time.sleep_ms(2)
            digits[i].value(0)

def countdown(sec):
    for i in range(sec,-1,-1):
        t=time.time()
        while time.time()-t<1:
            show(i)

while True:

    red.on()
    countdown(60)

    red.off()
    yellow.on()
    time.sleep(5)

    yellow.off()
    green.on()
    countdown(60)

    green.off()
    yellow.on()
    time.sleep(5)