About Adafruit Circuitpython Mcp230xx
Adafruit Circuitpython Mcp230xx is an MCP server published by adafruit in the Developer Tools category: circuitPython driver for MCP230xx GPIO Expanders. It has been installed 0 times through Conduid.
The repository has 43 stars and 37 forks, with the last commit 10 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues (0) before depending on it in production.
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README
Introduction
.. image:: https://readthedocs.org/projects/adafruit-circuitpython-mcp230xx/badge/?version=latest :target: https://docs.circuitpython.org/projects/mcp230xx/en/latest/ :alt: Documentation Status
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.. image:: https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx/workflows/Build%20CI/badge.svg :target: https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx/actions/ :alt: Build Status
.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json :target: https://github.com/astral-sh/ruff :alt: Code Style: Ruff
CircuitPython module for the MCP23017/08 I2C and MCP23S17/08 SPI I/O extenders.
Dependencies
This driver depends on:
Adafruit CircuitPython <https://github.com/adafruit/circuitpython>_Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>_
Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading
the Adafruit library and driver bundle <https://github.com/adafruit/Adafruit_CircuitPython_Bundle>_.
Installing from PyPI
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI <https://pypi.org/project/adafruit-circuitpython-mcp230xx/>_. To install for current user:
.. code-block:: shell
pip3 install adafruit-circuitpython-mcp230xx
To install system-wide (this may be required in some cases):
.. code-block:: shell
sudo pip3 install adafruit-circuitpython-mcp230xx
To install in a virtual environment in your current project:
.. code-block:: shell
mkdir project-name && cd project-name
python3 -m venv .venv
source .venv/bin/activate
pip3 install adafruit-circuitpython-mcp230xx
Usage Example
See examples/mcp230xx_simpletest.py for a demo of the usage.
Documentation
API documentation for this library can be found on Read the Docs <https://docs.circuitpython.org/projects/mcp230xx/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>_.
Warning
Some people have reported an undocumented bug that can potentially corrupt the I2C bus.
It occurs if an MCP230XX input pin state changes during I2C readout. This should be very rare. For more information, see this forum post <https://www.microchip.com/forums/m646539.aspx>_ and this knowledge base article <https://microchipsupport.force.com/s/article/On-MCP23008-MCP23017-SDA-line-change-when-GPIO7-input-change>_ .
Contributing
Contributions are welcome! Please read our Code of Conduct <https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx/blob/main/CODE_OF_CONDUCT.md>_
before contributing to help this project stay welcoming.
README mirrored from the source repository 3 months ago. The original is authoritative.