from machine import *
from time import *

led1 = Pin(1,Pin.OUT)
led2 = Pin(3,Pin.OUT)
led3 = Pin(7,Pin.OUT)
led4 = Pin(10,Pin.OUT)

while True:
    #led 1 blink 2x
    led2.value(0)
    led3.value(0)
    led4.value(0)
    led1.value(0)
    sleep(0.5)
    led1.value(1)
    sleep(0.5)
    led1.value(0)
    sleep(0.5)
    led1.value(1)

    sleep(2)

    #led 2 blink 2x
    led2.value(0)
    led3.value(0)
    led4.value(0)
    led1.value(0)
    sleep(0.5)
    led2.value(1)
    sleep(0.5)
    led2.value(0)
    sleep(0.5)
    led2.value(1)

    sleep(2)

    #led 3 blink 2x
    led2.value(0)
    led3.value(0)
    led4.value(0)
    led1.value(0)
    sleep(0.5)
    led3.value(1)
    sleep(0.5)
    led3.value(0)
    sleep(0.5)
    led3.value(1)

    sleep(2)

    #led 4 blink 2x
    led2.value(0)
    led3.value(0)
    led4.value(0)
    led1.value(0)
    sleep(0.5)
    led4.value(1)
    sleep(0.5)
    led4.value(0)
    sleep(0.5)
    led4.value(1)

    sleep(2)