import machine
import time
led = machine.Pin(15, machine.Pin.OUT)
while True:
led.value(1)
time.sleep_ms(1000)
led.value(0)
time.sleep(1)

import machine
import time
led = machine.Pin(15, machine.Pin.OUT)
while True:
led.value(1)
time.sleep_ms(1000)
led.value(0)
time.sleep(1)