1  # SPDX-FileCopyrightText: 2022 Dan Halbert for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import keypad
 6  import board
 7  
 8  km = keypad.KeyMatrix(
 9      row_pins=(board.A0, board.A1, board.A2, board.A3),
10      column_pins=(board.D0, board.D1, board.D2),
11  )
12  
13  while True:
14      event = km.events.get()
15      if event:
16          print(event)