print("Let's make external LED Blink")
print("Date: 21/11/2023")
print('Created by AHH')

#Import libraries
from machine import Pin
from utime import sleep

#Pin declaration
built_in_LED1 = Pin (2, Pin.OUT) #(gpio pin no, IN or OUT)
external_LED1 = Pin (12, Pin.OUT) #(gpio pin no, IN or OUT)

#Parameter setting

#Main program
while True:
  built_in_LED1.on()
  external_LED1.off()
  sleep(2)

  built_in_LED1.off()
  external_LED1.on()
  sleep(1)