from machine import Pin
import utime

Dot = 0.25
Dash = 1.0
Gap = 0.2
ON = 1
OFF = 0

LED = Pin(0, Pin.OUT)

while True:
    for i in range(0,3):
        LED.value(ON)
        utime.sleep(Dot)
        LED.value(OFF)
        utime.sleep(Gap)
    utime.sleep(0.5)

    for i in range(0,3):
        LED.value(ON)
        utime.sleep(Dash)
        LED.value(OFF)
        utime.sleep(Gap)

    
    for i in range(0,3):
        LED.value(ON)
        utime.sleep(Dot)
        LED.value(OFF)
        utime.sleep(Gap)

    utime.sleep(2)