import machine as Gpio
import utime as TM

LED_Pin = Gpio.Pin(3,Gpio.Pin.OUT)

def set_red_color(Red):
    LED_Pin.value(Red)

while True:
    set_red_color(0.5)
    TM.sleep(0.5)
    set_red_color(0)
    TM.sleep(0.5)