from machine import Pin
from utime import sleep
led_blue = Pin(4, Pin.OUT)
while True:
led_blue.value(1)
sleep(1)
led_blue.value(0)
sleep(1)from machine import Pin
from utime import sleep
led_blue = Pin(4, Pin.OUT)
while True:
led_blue.value(1)
sleep(1)
led_blue.value(0)
sleep(1)