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CircuitPython for the Sparkfun Qwiic Twist Rotary Encoder

Project description


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CircuitPython library for Sparkfun Qwiic Twist RGB Rotary Encoder. This library is ported from SparkFun Qwiic Twist Arduino Library

SparkFun Qwiic Twist RGB Rotary Encorder (DEV-15083)

SparkFun Qwiic Twist RGB Rotary Encoder (DEV-15083)


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.

Raspberry Pi Setup

Adafruit has an excellent tutorial on Installing CircuitPython Libraries on Raspberry Pi.

Quick Start Summary:

  • Start with the latest version of Raspbian with Wifi configured.
  • Enable SSH, I2C and SPI.
sudo raspi-config
  • Update your system to the latest version.
sudo apt-get update
sudo apt-get upgrade
  • Update the python tools
sudo pip3 install --upgrade setuptools

(If pip3 is not installed, install it and rerun the command)

sudo apt-get install python3-pip
  • Install the CircuitPython libraries
pip3 install RPI.GPIO
pip3 install adafruit-blinka

Installing from PyPI

On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI.

Installing this library will also install the dependency adafruit-circuitpython-busdevice.

Installing from PyPI

pip3 install sparkfun-circuitpython-qwiictwist

To install system-wide (this may be required in some cases):

sudo pip3 install sparkfun-circuitpython-qwiictwist

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install sparkfun-circuitpython-qwiictwist

Usage Example

# import the CircuitPython board and busio libraries
import board
import busio

# Create bus object using the board's I2C port
i2c = busio.I2C(board.SCL, board.SDA)

twist = QwiicTwist(i2c)  # default address is 0x3F

# For a different address use QwiicTwist(i2c, address)
# twist = QwiicTwist(i2c, 0x3E)


Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Building locally

Zip release files

To build this library locally you’ll need to install the circuitpython-build-tools package.

python3 -m venv .env
source .env/bin/activate
pip install circuitpython-build-tools

Once installed, make sure you are in the virtual environment:

source .env/bin/activate

Then run the build:

circuitpython-build-bundles --filename_prefix sparkfun-circuitpython-qwiictwist --library_location .

Sphinx documentation

Sphinx is used to build the documentation based on rST files and comments in the code. First, install dependencies (feel free to reuse the virtual environment from above):

python3 -m venv .env
source .env/bin/activate
pip install Sphinx sphinx-rtd-theme

Now, once you have the virtual environment activated:

cd docs
sphinx-build -E -W -b html . _build/html

This will output the documentation to docs/_build/html. Open the index.html in your browser to view them. It will also (due to -W) error out on any warning like Travis will. This is a good way to locally verify it will pass.

License Information

This product is open source!

Please review the file for license information.

Please use, reuse, and modify these files as you see fit.

Please maintain the attributions to SparkFun Electronics and Adafruit and release any derivative under the same license.

Distributed as-is; no warranty is given.

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adafruit-circuitpython-qwiictwist-1.0.6.tar.gz (28.6 kB view hashes)

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