# Selectively setting readonly to False on boot import board import digitalio import storage switch = digitalio.DigitalInOut(board.D5) switch.direction = digitalio.Direction.INPUT switch.pull = digitalio.Pull.UP led = digitalio.DigitalInOut(board.D13) led.direction = digitalio.Direction.OUTPUT # If the D0 is connected to ground with a wire # CircuitPython can write to the drive storage.remount("/", switch.value) led.value = switch.value