1  # SPDX-FileCopyrightText: 2019 Kattni Rembor for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import time
 6  import board
 7  import digitalio
 8  
 9  relay = digitalio.DigitalInOut(board.A1)
10  relay.direction = digitalio.Direction.OUTPUT
11  
12  while True:
13      relay.value = True
14      time.sleep(1)
15      relay.value = False
16      time.sleep(1)