import machine
import time

led_pin28 = machine.Pin(28, machine.Pin.OUT)
superled = machine.Pin(27, machine.Pin.OUT)

while True:
    led_pin28.value(1)
    superled.value(0)
    time.sleep(1)
    led_pin28.value(0)
    superled.value(1)
    time.sleep(1)