# Morse Code

from machine import Pin
from time import sleep_ms

Beeper = Pin(13, Pin.OUT)

def Dit():
    Beeper.value(1)
    sleep_ms(100)
    Beeper.value(0)
    sleep_ms(100)

def Dah():
    Beeper.value(1)
    sleep_ms(300)
    Beeper.value(0)
    sleep_ms(100)

def Pause():
    sleep_ms(300)
    
def _N():
    Dah()
    Dit()
    Pause()

def _D():
    Dah()
    Dit()
    Dit()
    Pause()
    
def _S():
    Dit()
    Dit()
    Dit()
    Pause()

def _U():
    Dit()
    Dit()
    Dah()
    Pause()



while(1):
    _N()
    _D()
    _S()
    _U()
    sleep_ms(1000)