Adafruit_CircuitPython_NeoPxl8/README.rst

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Introduction
============
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PIO-driven 8-way concurrent NeoPixel driver for RP2040
Dependencies
=============
This driver depends on:
* `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
* `pioasm <https://github.com/adafruit/Adafruit_CircuitPython_pioasm>`_
Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading
`the Adafruit library and driver bundle <https://circuitpython.org/libraries>`_
or individual libraries can be installed using
`circup <https://github.com/adafruit/circup>`_.
Installing to a Connected CircuitPython Device with Circup
==========================================================
Make sure that you have ``circup`` installed in your Python environment.
Install it with the following command if necessary:
.. code-block:: shell
pip3 install circup
With ``circup`` installed and your CircuitPython device connected use the
following command to install:
.. code-block:: shell
circup install neopxl8
Or the following command to update an existing version:
.. code-block:: shell
circup update
Usage Example
=============
See the `Examples page <examples.html>`_ for a full example. This example shows how to set up 8 30-pixel LED strands on an Adafruit Feather Scorpio RP2040 and set them all to dim red:
.. code-block:: python
import time
import board
from adafruit_neopxl8 import NeoPxl8
# Customize for your strands here
num_strands = 8
strand_length = 30
first_led_pin = board.NEOPIXEL0
num_pixels = num_strands * strand_length
# Make the object to control the pixels
pixels = NeoPxl8(
first_led_pin,
num_pixels,
num_strands=num_strands,
)
pixels.fill(0x01_00_00)
while True:
time.sleep(1)
Documentation
=============
API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/neopxl8/en/latest/>`_.
For information on building library documentation, please check out
`this guide <https://learn.adafruit.com/creating-and-sharing-a-circuitpython-library/sharing-our-docs-on-readthedocs#sphinx-5-1>`_.
Contributing
============
Contributions are welcome! Please read our `Code of Conduct
<https://github.com/adafruit/Adafruit_CircuitPython_neopxl8/blob/HEAD/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.