print("Program: To make built-in LED blinking")
print("by MASA")
print("Date: 20/11/2023")

#Import all necessary libraries
from utime import sleep
from machine import Pin

#Pin declaration
led_biru = Pin(2,Pin.OUT) #Pin(Pin number )
led_kuning = Pin(14,Pin.OUT)

#parameter declaration
counter = 1

#Main program
while True:
  led_biru.on()
  led_kuning.on()
  sleep(1)
  led_biru.off()
  led_kuning.off()
  sleep(2)