Introduction
============
.. image:: https://readthedocs.org/projects/adafruit-circuitpython-mcp9808/badge/?version=latest
:target: https://docs.circuitpython.org/projects/mcp9808/en/latest/
:alt: Documentation Status
.. image:: https://raw.githubusercontent.com/adafruit/Adafruit_CircuitPython_Bundle/main/badges/adafruit_discord.svg
:target: https://adafru.it/discord
:alt: Discord
.. image:: https://github.com/adafruit/Adafruit_CircuitPython_MCP9808/workflows/Build%20CI/badge.svg
:target: https://github.com/adafruit/Adafruit_CircuitPython_MCP9808/actions/
:alt: Build Status
.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
:target: https://github.com/psf/black
:alt: Code Style: Black
The MCP9808 is an awesome, high accuracy temperature sensor that communicates
over I2C. Its available on `Adafruit as a breakout <https://www.adafruit.com/products/1782>`_.
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-mcp9808/>`_. To install for current user:
.. code-block:: shell
pip3 install adafruit-circuitpython-mcp9808
To install system-wide (this may be required in some cases):
.. code-block:: shell
sudo pip3 install adafruit-circuitpython-mcp9808
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-mcp9808
Usage Notes
===========
Getting the temperature in Celsius is easy! First, import all of the pins from
the board, board.I2C() for native I2C communication and the thermometer library
itself.
.. code-block:: python3
import board
import adafruit_mcp9808
Next, initialize the I2C bus in a with statement so it always gets shut down ok.
Then, construct the thermometer class:
.. code-block:: python3
# Do one reading
with board.I2C() as i2c:
t = adafruit_mcp9808.MCP9808(i2c)
# Finally, read the temperature property and print it out
print(t.temperature)
Documentation
=============
API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/mcp9808/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_MCP9808/blob/main/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.
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