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adafruit-circuitpython-mcp9808

PyPI

CircuitPython library for MCP9808 high accuracy temperature sensor.

adafruitbreakoutcircuitpythonhardwaremcp9808micropythonsensortemperature
Versions collected1
Direct dependencies4From release 3.3.32
Last observed20 Oct, 18:53 UTC

README

Version 3.3.32 documentation

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/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

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.

Downloads & popularity

42downloads
1-day window · source-reported counts19 Oct 2026
3441720
2026-07-22: 21 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-22–2026-07-222026-07-23: 21 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-23–2026-07-232026-07-24: 19 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-24–2026-07-242026-07-25: 16 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-25–2026-07-252026-07-26: 3 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-26–2026-07-262026-07-27: 8 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-27–2026-07-272026-07-28: 18 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-28–2026-07-282026-07-29: 11 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-29–2026-07-292026-07-30: 8 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-30–2026-07-302026-07-31: 3 · observed 2026-10-20T19:52:00.7405768Z · period 2026-07-31–2026-07-312026-08-01: 9 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-01–2026-08-012026-08-02: 12 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-02–2026-08-022026-08-03: 13 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-03–2026-08-032026-08-04: 23 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-04–2026-08-042026-08-05: 20 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-05–2026-08-052026-08-06: 59 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-06–2026-08-062026-08-07: 34 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-07–2026-08-072026-08-08: 19 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-08–2026-08-082026-08-09: 9 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-09–2026-08-092026-08-10: 47 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-10–2026-08-102026-08-11: 27 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-11–2026-08-112026-08-12: 42 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-12–2026-08-122026-08-13: 50 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-13–2026-08-132026-08-14: 11 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-14–2026-08-142026-08-15: 48 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-15–2026-08-152026-08-16: 31 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-16–2026-08-162026-08-17: 68 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-17–2026-08-172026-08-18: 4 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-18–2026-08-182026-08-19: 84 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-19–2026-08-192026-08-20: 107 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-20–2026-08-202026-08-21: 60 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-21–2026-08-212026-08-22: 25 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-22–2026-08-222026-08-23: 18 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-23–2026-08-232026-08-24: 57 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-24–2026-08-242026-08-25: 28 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-25–2026-08-252026-08-26: 79 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-26–2026-08-262026-08-27: 35 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-27–2026-08-272026-08-28: 25 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-28–2026-08-282026-08-29: 5 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-29–2026-08-292026-08-30: 5 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-30–2026-08-302026-08-31: 6 · observed 2026-10-20T19:52:00.7405768Z · period 2026-08-31–2026-08-312026-09-01: 4 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-01–2026-09-012026-09-02: 38 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-02–2026-09-022026-09-04: 47 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-04–2026-09-042026-09-05: 6 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-05–2026-09-052026-09-06: 3 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-06–2026-09-062026-09-07: 9 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-07–2026-09-072026-09-08: 26 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-08–2026-09-082026-09-09: 37 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-09–2026-09-092026-09-10: 3 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-10–2026-09-102026-09-11: 10 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-11–2026-09-112026-09-12: 4 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-12–2026-09-122026-09-13: 7 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-13–2026-09-132026-09-14: 8 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-14–2026-09-142026-09-15: 38 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-15–2026-09-152026-09-16: 38 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-16–2026-09-162026-09-17: 70 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-17–2026-09-172026-09-18: 344 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-18–2026-09-182026-09-19: 209 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-19–2026-09-192026-09-20: 155 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-20–2026-09-202026-09-21: 26 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-21–2026-09-212026-09-22: 18 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-22–2026-09-222026-09-23: 31 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-23–2026-09-232026-09-24: 280 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-24–2026-09-242026-09-25: 27 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-25–2026-09-252026-09-26: 32 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-26–2026-09-262026-09-27: 13 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-27–2026-09-272026-09-28: 31 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-28–2026-09-282026-09-29: 11 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-29–2026-09-292026-09-30: 65 · observed 2026-10-20T19:52:00.7405768Z · period 2026-09-30–2026-09-302026-10-01: 20 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-01–2026-10-012026-10-02: 25 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-02–2026-10-022026-10-03: 13 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-03–2026-10-032026-10-04: 9 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-04–2026-10-042026-10-05: 16 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-05–2026-10-052026-10-06: 7 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-06–2026-10-062026-10-07: 18 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-07–2026-10-072026-10-08: 48 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-08–2026-10-082026-10-09: 38 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-09–2026-10-092026-10-10: 4 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-10–2026-10-102026-10-11: 5 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-11–2026-10-112026-10-12: 5 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-12–2026-10-122026-10-13: 13 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-13–2026-10-132026-10-14: 10 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-14–2026-10-142026-10-15: 9 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-15–2026-10-152026-10-16: 45 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-16–2026-10-162026-10-17: 84 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-17–2026-10-172026-10-18: 14 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-18–2026-10-182026-10-19: 42 · observed 2026-10-20T19:52:00.7405768Z · period 2026-10-19–2026-10-19
22 Jul19 Oct

pypistats · 89 observations shown. Missing days are unknown. Source category: overall: without mirrors.

View observed values
Date / source periodValueObserved at
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2026-08-04 – 2026-08-04232026-10-20T19:52:00.7405768Z
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2026-07-22 – 2026-07-22212026-10-20T19:52:00.7405768Z

Versions 1

Collected releases
VersionPublishedDirect dependenciesOpen version
3.3.3223 Apr 20264

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adafruit/adafruit_circuitpython_mcp9808

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Observed since 20 Oct, 18:53 UTC

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package:22512761c86e7499657d552514dc106b1ebe3d95bf351fb0b9d5c2c4b0df8e7a