from machine import Pin, Timer
import utime
utime.sleep(0.1) # Wait for USB to become ready
print("Hello, Pi Pico W!")
dot = 0.25
dash = 1.0
gap = 0.2
ON = 1
OFF = 0
led_red= Pin(15, Pin.OUT)
led_green = Pin(18, Pin.OUT)
tim = Timer()
def flash_green_led(timer):
global led_green
led_green.toggle()
led_green.toggle()
tim.init(freq = 2.0, mode = Timer.PERIODIC, callback = flash_green_led)
while True:
for i in range(0, 3):
led_red.value(ON)
utime.sleep(dot)
led_red.value(OFF)
utime.sleep(gap)
utime.sleep(0.5)
for i in range(0, 3):
led_red.value(ON)
utime.sleep(dash)
led_red.value(OFF)
utime.sleep(gap)
utime.sleep(0.5)
for i in range(0, 3):
led_red.value(ON)
utime.sleep(dot)
led_red.value(OFF)
utime.sleep(gap)
utime.sleep(2)