1  # SPDX-FileCopyrightText: 2022 Kattni Rembor for Adafruit Industries
 2  # SPDX-License-Identifier: MIT
 3  """
 4  CircuitPython Digital Input Example - Blinking an LED using the built-in button.
 5  """
 6  import board
 7  import digitalio
 8  
 9  led = digitalio.DigitalInOut(board.LED)
10  led.direction = digitalio.Direction.OUTPUT
11  
12  button = digitalio.DigitalInOut(board.BUTTON)
13  button.switch_to_input(pull=digitalio.Pull.UP)
14  
15  while True:
16      if not button.value:
17          led.value = True
18      else:
19          led.value = False