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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
import time
import board
import digitalio
import usb_hid
from adafruit_hid.mouse import Mouse
mouse = Mouse(usb_hid.devices)
# define buttons. these can be any physical switches/buttons, but the values
# here work out-of-the-box with a CircuitPlayground Express' A and B buttons.
up = digitalio.DigitalInOut(board.D4)
up.direction = digitalio.Direction.INPUT
up.pull = digitalio.Pull.DOWN
down = digitalio.DigitalInOut(board.D5)
down.direction = digitalio.Direction.INPUT
down.pull = digitalio.Pull.DOWN
while True:
# scroll up one unit (varies with host/OS)
if up.value:
mouse.move(wheel=1)
# scroll down one unit (varies with host/OS)
elif down.value:
mouse.move(wheel=-1)
time.sleep(0.1)
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