#BlinkBlueLed_01.py
    # for running on WioTerminal using MicroPython
    import time
    import board
    from digitalio import DigitalInOut, Direction

    led = DigitalInOut(board.D13)
    led.direction = Direction.OUTPUT

    while True:          #endless loop begins here
        led.value = True
        print("LED ON")
        time.sleep(1)
        led.value = False
        print("LED OFF")
        time.sleep(1)
    #while end
    #End of BlinkBlueLed_01.py
    # saved as "BlinkBlueLed_01.py" on the RPi.