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PYTHON
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CircuitPython 101: Functions
Exploring functions in CircuitPython
by Dave Astels
You might not have had to write any functions yet. But you've used plenty of them. This guide explores functions in CircuitPython: why you want them, how to make them, and how to get the most out of them.
CircuitPython 101: Basic Builtin Data Structures
Tuples, Lists, and Dictionaries! Oh My!
by Dave Astels
CircuitPython (and Python) gives you a lot of tools for storing and manipulating data. Storing that data in ways that makes sense become important when on a small microcontroller board. This guide looks at three data structures that CircuitPython provides.
CircuitPython with Jupyter Notebooks
Interact with CircuitPython Code from within a Jupyter Notebook
by Brent Rubell
Jupyter lets you create interactive notebooks containing code, text, and rich media that you can share with your friends. We're going to learn how to combine Jupyter with CircuitPython to create interactive notebooks for your hardware.
LED Breath Stats Mask
Build a Mask that Displays Breath Stats
by Michael Sklar
Combining Adafruit’s CCS811 gas sensor with a Circuit Playground Express and two NeoPixel Sticks we can quickly put together a mask that displays our breath attributes. This setup will monitor temperature, carbon dioxide, and total volatile organic compounds. The sensor is easy to work with using its I2C interface and pre-calibrated ranges. A mask is an ideal wearable as it provides a place to house the electronics as well as an option for continuous monitoring as it is a hands-free device that could be adapted for exercise or sleep. The gas sensors TVOC monitoring can be used as an indicator of ketosis as it will detect acetone levels on the breath which is a by-product of producing ketones. CO2 levels can also be a helpful indicator of how much glucose is being burned versus fats.
Using Board Package Tool to Update Adafruit Arduino Packages
How to use the Python board package tool (bpt) to keep Adafruit's Arduino packages up to date.
by Tony DiCola
Learn how to use Python scripts that can automate keeping Adafruit's Arduino package repositories up to date with the Arduino board package index.
Windows Tools for the Electrical Engineer
Do the best with what you've got
by lady ada
You're an electrical engineer. And you have to run Windows - because a vast number of utilities and eval tools are Windows only! Or perhaps you're running windows out of choice. No biggie, either way you can make your environment pretty flexible with some tools.
Circuit Playground Firmata
Control Circuit Playground using Python and other programming languages!
by Tony DiCola
Learn how to load a Firmata sketch on Circuit Playground so it can be controlled by a computer. Write programs in high level programming languages like Python that interact with Circuit Playground!
Raspberry Pi Analog to Digital Converters
How to read analog signals from Python with an analog to digital converter and Raspberry Pi.
by Tony DiCola
Learn how to connect a MCP3008 or ADS1x15 analog to digital converter to a Raspberry Pi and use it to read analog signals from Python code.
Simple Raspberry Pi Robot
Build a simple moving robot with a Raspberry Pi and Adafruit's excellent robot platform!
by Tony DiCola
Use a Raspberry Pi and Adafruit Motor HAT to control two DC motors that move a simple robot around using Python code. This is a great base for starting with a Pi robot project!
Bluefruit LE Python Library
Talk to a Bluefruit LE from a Raspberry Pi, Linux, or Mac OSX machine.
by Tony DiCola
Learn how to install and use a Python library that can communicate with a Bluefruit LE UART. The library works with a Raspberry Pi, Linux, or Mac OSX machine with a Bluetooth low energy adapter.
Using a 5V Stepper Motor with the RasPiRobot Board V2
Control a 5V stepper motor with the RasPiRobot Board using Python and the RRB2 library.
by Simon Monk
In this tutorial, you will learn how to drive a 5V stepper motor using a Raspberry Pi and the RasPiRobot Board V2 (RRBv2) expansion board for the Raspberry Pi.
Setting up IO Python Library on BeagleBone Black
Using GPIO, PWM and more with Python!
by Justin Cooper
The BeagleBone Black has many pins you can use for your projects. There are 2 x 46 pin headers available. Use the Adafruit BBIO library to help you take advantage of so much IO!