keybow2040/examples/reactive-press.py

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2021-03-10 22:57:52 +01:00
# SPDX-FileCopyrightText: 2021 Sandy Macdonald
#
# SPDX-License-Identifier: MIT
# This example demonstrates how to light keys when pressed.
# Drop the keybow2040.py file into your `lib` folder on your `CIRCUITPY` drive.
2021-03-10 22:57:52 +01:00
import board
from keybow2040 import Keybow2040
# Set up Keybow
i2c = board.I2C()
keybow = Keybow2040(i2c)
keys = keybow.keys
# Use cyan as the colour.
rgb = (0, 255, 255)
while True:
# Always remember to call keybow.update() on every iteration of your loop!
keybow.update()
# Loop through the keys and set the LED to cyan if pressed, otherwise turn
# it off (set it to black).
for key in keys:
if key.pressed:
key.set_led(*rgb)
else:
key.set_led(0, 0, 0)