Introduction
============
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:target: https://docs.circuitpython.org/projects/74hc595/en/latest/
:alt: Documentation Status
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:target: https://adafru.it/discord
:alt: Discord
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:target: https://github.com/adafruit/Adafruit_CircuitPython_74HC595/actions
:alt: Build Status
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:target: https://github.com/astral-sh/ruff
:alt: Code Style: Ruff
CircuitPython driver for 74HC595 shift register.
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-74hc595/>`_. To install for current user:
.. code-block:: shell
pip3 install adafruit-circuitpython-74hc595
To install system-wide (this may be required in some cases):
.. code-block:: shell
sudo pip3 install adafruit-circuitpython-74hc595
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-74hc595
Usage Example
=============
.. code-block:: python
import board
import adafruit_74hc595
import busio
import digitalio
import time
spi = busio.SPI(board.SCK, MOSI=board.MOSI)
latch_pin = digitalio.DigitalInOut(board.D5)
sr = adafruit_74hc595.ShiftRegister74HC595(spi, latch_pin)
pin1 = sr.get_pin(1)
while True:
pin1.value = True
time.sleep(1)
pin1.value = False
time.sleep(1)
Documentation
=============
API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/74hc595/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_74HC595/blob/main/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.
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"description": "Introduction\n============\n\n.. image:: https://readthedocs.org/projects/adafruit-circuitpython-74hc595/badge/?version=latest\n :target: https://docs.circuitpython.org/projects/74hc595/en/latest/\n :alt: Documentation Status\n\n.. image:: https://raw.githubusercontent.com/adafruit/Adafruit_CircuitPython_Bundle/main/badges/adafruit_discord.svg\n :target: https://adafru.it/discord\n :alt: Discord\n\n.. image:: https://github.com/adafruit/Adafruit_CircuitPython_74HC595/workflows/Build%20CI/badge.svg\n :target: https://github.com/adafruit/Adafruit_CircuitPython_74HC595/actions\n :alt: Build Status\n\n.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json\n :target: https://github.com/astral-sh/ruff\n :alt: Code Style: Ruff\n\nCircuitPython driver for 74HC595 shift register.\n\nDependencies\n=============\nThis driver depends on:\n\n* `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_\n* `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_\n\nPlease ensure all dependencies are available on the CircuitPython filesystem.\nThis is easily achieved by downloading\n`the Adafruit library and driver bundle <https://github.com/adafruit/Adafruit_CircuitPython_Bundle>`_.\n\nInstalling from PyPI\n====================\n\nOn supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally `from\nPyPI <https://pypi.org/project/adafruit-circuitpython-74hc595/>`_. To install for current user:\n\n.. code-block:: shell\n\n pip3 install adafruit-circuitpython-74hc595\n\nTo install system-wide (this may be required in some cases):\n\n.. code-block:: shell\n\n sudo pip3 install adafruit-circuitpython-74hc595\n\nTo install in a virtual environment in your current project:\n\n.. code-block:: shell\n\n mkdir project-name && cd project-name\n python3 -m venv .venv\n source .venv/bin/activate\n pip3 install adafruit-circuitpython-74hc595\n\nUsage Example\n=============\n\n.. code-block:: python\n\n import board\n import adafruit_74hc595\n import busio\n import digitalio\n import time\n\n spi = busio.SPI(board.SCK, MOSI=board.MOSI)\n\n latch_pin = digitalio.DigitalInOut(board.D5)\n sr = adafruit_74hc595.ShiftRegister74HC595(spi, latch_pin)\n\n pin1 = sr.get_pin(1)\n\n while True:\n pin1.value = True\n time.sleep(1)\n pin1.value = False\n time.sleep(1)\n\nDocumentation\n=============\n\nAPI documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/74hc595/en/latest/>`_.\n\nFor 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>`_.\n\nContributing\n============\n\nContributions are welcome! Please read our `Code of Conduct\n<https://github.com/adafruit/Adafruit_CircuitPython_74HC595/blob/main/CODE_OF_CONDUCT.md>`_\nbefore contributing to help this project stay welcoming.\n",
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