def set_led_status(self, led_status=0):
    if (led_status == 0):
        self.led.off()
    elif (led_status == 1):
        self.led.on()
    else:
        self.led.blink()
def set_led_status(self, led_status=0):
    if (led_status == 0):
        self.led.off()
    elif (led_status == 1):
        self.led.on()
    else:
        self.led.blink()