from machine import Pin,Timer
from utime import sleep

LED = Pin(0,Pin.OUT)
LED1 = Pin(1,Pin.OUT)
LED2 = Pin(14,Pin.OUT)
LED3 = Pin(15,Pin.OUT)

time = Timer()
time1=Timer()
time2=Timer()
time3=Timer()

def flash_LED(timer):
    global LED
    LED.toggle()
    sleep(1)
    LED.toggle()


def flash_LED1(timer):
    global LED1
    LED1.toggle()
    sleep(1)
    LED1.toggle()


def flash_LED2(timer):
    global LED2
    LED2.toggle()
    sleep(1)
    LED2.toggle()


def flash_LED3(timer):
    global LED3
    LED3.toggle()
    sleep(1)
    LED3.toggle()


time.init(freq=2.0 ,mode=Timer.PERIODIC, callback = flash_LED)

time1.init(freq=2.0, mode=Timer.PERIODIC, callback = flash_LED1)

time2.init(freq=2.0, mode=Timer.PERIODIC, callback = flash_LED2)

time3.init(freq=2.0, mode=Timer.PERIODIC, callback = flash_LED3)