from machine import Pin
from time import sleep


def blink(led_pin, count, delay=0.5):
    led = Pin(led_pin, Pin.OUT) # Usually GPIO2
    led.value(1)    # Start off
    x = 0
    while x < count*2:
        led.value(not led.value())
        sleep(delay)
        x = x + 1

def test(led_pin=5):
    led_blink(led_pin, 3, delay=0.2)