import time
from time import sleep
from machine import Pin
time.sleep(0.1) 
red=Pin(15,Pin.OUT)
while True:
    red.value(1)
    sleep(.2)
    red.value(0)
    sleep(.2)
    red.value(1)
    sleep(.2)
    red.value(0)
    sleep(.2)
    red.value(1)
    sleep(.2)
    red.value(0)
    sleep(.2)
    red.value(1)
    sleep(.5)
    red.value(0)
    sleep(.5)
    red.value(1)
    sleep(.5)
    red.value(0)
    sleep(.5)
    red.value(1)
    sleep(.5)
    red.value(0)
    sleep(.5)
    red.value(1)
    sleep(.2)
    red.value(0)
    sleep(.2)
    red.value(1)
    sleep(.2)
    red.value(0)
    sleep(.2)
    red.value(1)
    sleep(.2)
    red.value(0)
    sleep(.2)