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adafruit / CircuitPython_NAU7802

A CircuitPython driver class for the NAU7802 24-bit ADC
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circuitpython circuitpython-community-bundle loadcell nau7802

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Introduction

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A CircuitPython driver class for the NAU7802 24-bit ADC.

Dependencies

This driver depends on:

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 cedargrove_nau7802

Or the following command to update an existing version:

.. code-block:: shell

circup update

Installing for Blinka with Pip

.. code-block:: shell

pip3 install cedargrove-nau7802

Usage Example

.. code-block:: py

import board
from cedargrove_nau7802 import NAU7802

# Instantiate NAU7802 ADC
nau7802 = NAU7802(board.I2C(), address=0x2A, active_channels=2)

nau7802_simpletest.py and other examples can be found in the examples folder.

Documentation

NAU7802 CircuitPython Driver API Class Description <https://github.com/CedarGroveStudios/CircuitPython_NAU7802/blob/main/media/pseudo_readthedocs_cedargrove_nau7802.pdf>_

Clue Coffee Scale (Adafruit Learning Guide) <https://learn.adafruit.com/clue-coffee-scale>_

CedarGrove NAU7802 FeatherWing OSH Park Project (16-SOIC version) <https://oshpark.com/shared_projects/qFvEU3Bn>_

CedarGrove NAU7802 FeatherWing OSH Park Project (16-DIP version) <https://oshpark.com/shared_projects/ZfryHYnc>_

.. image:: https://github.com/CedarGroveStudios/CircuitPython_NAU7802/blob/main/media/glamor_shot.jpeg

.. image:: https://github.com/CedarGroveStudios/CircuitPython_NAU7802/blob/main/media/Clue_scale_trim.png

Needing a calibration weight? The U.S. Mint coin specifications <https://www.usmint.gov/learn/coin-and-medal-programs/coin-specifications>_ might have some information that could help -- if you have some spare change.

Contributing

Contributions are welcome! Please read our Code of Conduct <https://github.com/CedarGroveStudios/Cedargrove_CircuitPython_NAU7802/blob/HEAD/CODE_OF_CONDUCT.md>_ before contributing to help this project be welcoming to everyone.