ICYMI Python on Microcontrollers Newsletter: CircuitPython 7.1.0 Beta 1, Discord 32K and Projects Galore! #Python #ICYMI #CircuitPython @micropython @ThePSF

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Welcome to the latest Python on Microcontrollers newsletter, brought you by the community! This week, there is an abundance of projects to highlight community work as well as some new features for CircuitPython.

Feel free to contact us – we’re on Discord, Twitter, and for past newsletters – view them all here. If you’re reading this on the web, subscribe here. Let’s Fly!

CircuitPython 7.1.0 Beta 1 is Available

CircuitPython 7.1.0 Beta 1

CircuitPython 7.1.0-beta.1 is available, the second beta release for CircuitPython 7.1.0. It is relatively stable, but contains issues which the CircuitPython team may still address for 7.1.0 – GitHub.

Notable additions to 7.1.0 since 7.0.0:

  • keypad.Events now include timestamps.
  • The Espressif port now provides I2CPeripheral, WiFi monitor mode, ESP32-C3 support, and ParallelImageCapture.
  • bitmaptools: dithering and alphablend are new.
  • gifio.GifWriter is new.
  • HID now provides boot device and feature report support.
  • rotaryio now allows setting the divisor of counts per transition.
  • The SAMD port now provides watchdog and alarm with sleep.
  • The STM port now provides STM32L4R5 support.
  • MicroPython 1.17 has been merged in.
  • Russian translation.
  • Preliminary support for asyncio is included. Use the CircuitPython asyncio library.

32,000 thanks!

32,000 THANKS

Adafruit Discord

The Adafruit Discord community, where we do all our CircuitPython development in the open, reached over 32,000 humans, thank you! Adafruit believes Discord offers a unique way for CircuitPython folks to connect. Join today at https://adafru.it/discordAdafruit Blog.

RISC-V Summit This Week

RISC-V Summit

RISC-V Summit brings the community together to show the power open collaboration can have on the processor industry. The audience spans across industries, organizations, workloads, and geographies to learn about the technology advancements in the RISC-V ecosystem and visibility of RISC-V successes. The event is in progress: December 6 – 8, in-person in San Francisco or virtually from anywhere in the world – Linux Foundation via Twitter.

Matrix Display Projects

Some fun projects using LED matrices:

Flight Tracker

A flight tracker with Raspberry Pi Zero, Adafruit Matrix bonnet and Python – Colin Waddell and GitHub.

Matrix Portal build I made to honor #DKDecember

Celebrating Donkey Kong December with an Adafruit Matrix Portal and CircuitPython – Twitter and GitHub via Twitter.

Team Pride

Combining my interests – electronics (Adafruit LED glasses) and @Wpg_BlueBombers and @CFL football! Ready for the playoffs today no matter the weather. #ForTheW #CFL #GCPlayoffs #CircuitPython – Twitter.

Glasses Displayio

Progress on adding the eye light rims to native #CircuitPython. Designed so they can be used with displayio or to drive individual strips of LEDs – Twitter.

Tutorial – Getting CircuitPython on the Wio Terminal

Wio Terminal - Get CircuitPython Working

Wio Terminal – Get CircuitPython Working – GurgleApps and YouTube.

The same group also did a tutorial for MicroPython on Wio:

MicroPython & ArduPy On Wio Terminal – GurgleApps and YouTube.

CircuitPython Deep Dive Stream with Scott Shawcroft

Deep Dive with Scott

This week, Scott streams his work on the Adafruit Learning System (behind the scenes).

You can see the latest video and past videos on the Adafruit YouTube channel under the Deep Dive playlist – YouTube.

CircuitPython Parsec

CircuitPython Parsec

John Park’s CircuitPython Parsec:

Catch all the episodes in the YouTube playlist.

News from around the web!

HackSpace Magazine

The HackSpace Magazine lab is testing out the CircuitPython NeoPixel animations library – Twitter.

Thermal camera

A thermal camera working on an Adafruit PyPortal (with x4 bilinear x2 displayio scaling). The same code also works on the Adafruit CLUE and the MatrixPortal. It also works with the FeatherWing keyboard using FeatherS2 or Feather RP2040 – Twitter and GitHub.

CircuitPython tutorial in Chinese

CircuitPython 程序!An entry level CircuitPython tutorial in Chinese 01: From zero to Hello World – YouTube via Twitter.

CircuitPython with 4 networks

CircuitPython with 4 networks (2 Ethernet, 2 WiFi) – Twitter and GitHub Code.

Tree PCBs with Raspberry Pi Pico and CircuitPython

Tree PCBs with Raspberry Pi Pico, NeoPixels and CircuitPython – Twitter and GitHub.

Assistive Technology Projects - Boston College

Assistive Technology projects that students built as part of the Fall 2021 Physical Computing course at Boston College – YouTube via Twitter.

PicoSplit

PicoSplit is a 3D printed split keyboard by Andreas Känner featuring custom firmware written in CircuitPython – Keyboard Builder’s Digest via Twitter.

Adafruit Holiday Gift Guide: CircuitPython

Adafruit Holiday Gift Guide: CircuitPython – Adafruit Blog.

CircuitPython Russian

Testing out the Russian build of CircuitPython in the latest beta – Discord.

Onshape Macropad

I got my CircuitPython MacroPad working! I configured it to work with Onshape, a browser based CAD tool. I can use it to rotate the image, snap to a view and more. (And in the blurry background I had already started 3D printing a stand for it) – Twitter.

CircuitPython sound reactive speaker stand

A CircuitPython sound reactive speaker stand – Twitter.

A CircuitPython mouse jiggler

A CircuitPython mouse jiggler – Twitter.

Bluefruit NeoPixels

Living the wireless CircuitPython life with a Bluefruit Feather driving NeoPixels and editing with http://code.circuitpython.org. Nice work @makermelissaTwitter.

NeoPixel Christmas Star

A walnut and cherry NeoPixel Christmas Star build – hackster.io and YouTube via Twitter.

Raspberry Pi OBS Video

Feeding the video from a Raspberry Pi Zero 2 W into an HDMI to USB dongle (from Adafruit) and displaying in a window on a desktop screen (via Open Source freeware OBS). Good for viewing the Bare Metal/No OS version of CircuitPython – Twitter.

Raspberry Pi makes this quilted installation light up and play music

Raspberry Pi and CircuitPython makes this quilted installation light up and play music – Raspberry Pi and YouTube.

 nRF24L01 module working with CircuitPython

I got a nRF24L01 module working with CircuitPython on an Adafruit PyGamer board! This is running the simple scanner example – Twitter.

ICM-20948 9-axis MotionTracking device connected to a Raspberry Pi Pico running CircuitPython

A ICM-20948 9-axis motion tracking device connected to a Raspberry Pi Pico running CircuitPython – rp2040.

Crowdsourcing testing

Crowdsourcing future exam material – Adafruit Forums.

Studio Lab MicroPython

(I have a) 01Studio Lab board, this one an STM32 clone: a TKM32F499 128-pin Cortex M4 best at 240 MHz, 8 MB RAM, 16 MB Flash and a big screen. It’s running MicroPython – Twitter.

Pi Pico video interface for Z80 Modular Computer

A Raspberry Pi Pico video interface for Z80 Modular Computer – GitHub.

Scan QR Codes with Raspberry Pi Pico

Scan QR Codes with Raspberry Pi Pico – hackster.io.

Setting Up Your Python CI Project Video

Setting Up Your Python CI Project (Video) – Real Python.

New undocumented APIs in Python 3.10: The future of trust stores in Python – Seth Larson via Reddit

PyDev of the Week: Fanilo Andrianasolo on Mouse vs Python

CircuitPython Weekly Meeting for December 6, 2021 (notes) on YouTube

#ICYDNCI What was the most popular, most clicked link, in last week’s newsletter? Cooperative Multitasking in CircuitPython.

Coming soon

SAM D51-based Feather M4 Adalogger

Feather M4 Adalogger prototype. This is kinda a re-spin of the Feather M4 Express with all the upgrades we want: USB C, 8 MB of QSPI flash, J20 instead of J19 (more flash/RAM), Stemma QT port, micro SD card on the back, and power-switchable I2C/SD/NeoPixel for low power usage – Adafruit Blog.

New Boards Supported by CircuitPython

The number of supported microcontrollers and Single Board Computers (SBC) grows every week. This section outlines which boards have been included in CircuitPython or added to CircuitPython.org.

This week, there were seven new boards added!

Looking to add a new board to CircuitPython? It’s highly encouraged! Adafruit has four guides to help you do so:

Learn Guides!

There are no new Learn guides this week, but more are on the way. Check back next week!

CircuitPython Project Bundle

BundleFly

When you get to the CircuitPython code section of an Adafruit Learn Guide, sometimes things can get a bit complicated. You not only have the code you need to upload to your device, but you likely also need to add some libraries that the code requires to run. This involved downloading all the libraries, digging through to find the ones you need, and copying them to your device. That was only the beginning on some projects, as those that include images and/or sound files required further downloading and copying of files. But, not anymore!

Now, with Project Bundles, you can download all the necessary code, libraries and, if needed, asset files with one click! We automatically check which libraries are required for the project and bundle them up for you. No more digging through a huge list of libraries to find the ones you need, or fiddling with looking for other files or dependencies. Download the Project Bundle, copy the contents to your device, and your code will simply work. We wanted to make this the easiest way to get a project working, regardless of whether you’re a beginner or an expert. We’ll also be adding this feature to popular IDEs as an add-on. Try it out with any Circuit Python guide on the Adafruit Learning System. Just look for the ‘Download Project Bundle’ button on the code page.

To download and use a Project Bundle:

In the Learning System – above any embedded code in a guide in the Adafruit Learn System, you’ll find a Download Project Bundle button.

Project Bundle download button

Click the button to download the Project Bundle zip.

Project Bundle zip downloaded

Open the Project Bundle zip to find the example code, all necessary libraries, and, if available, any images, sounds, etc.

Project Bundle unzipped

Simply copy all the files over to your CIRCUITPY drive, and you’re ready to go!

If you run into any problems or bugs, or would like to submit feedback, please file an issue on the Adafruit Learning System Guides GitHub repo.

CircuitPython Libraries!

CircuitPython Libraries

CircuitPython support for hardware continues to grow. We are adding support for new sensors and breakouts all the time, as well as improving on the drivers we already have. As we add more libraries and update current ones, you can keep up with all the changes right here!

For the latest libraries, download the Adafruit CircuitPython Library Bundle. For the latest community contributed libraries, download the CircuitPython Community Bundle.

If you’d like to contribute, CircuitPython libraries are a great place to start. Have an idea for a new driver? File an issue on CircuitPython! Have you written a library you’d like to make available? Submit it to the CircuitPython Community Bundle. Interested in helping with current libraries? Check out the CircuitPython.org Contributing page. We’ve included open pull requests and issues from the libraries, and details about repo-level issues that need to be addressed. We have a guide on contributing to CircuitPython with Git and Github if you need help getting started. You can also find us in the #circuitpython channel on the Adafruit Discord.

You can check out this list of all the Adafruit CircuitPython libraries and drivers available.

The current number of CircuitPython libraries is 341!

Updated Libraries!

Here’s this week’s updated CircuitPython libraries:

What’s the team up to this week?

What is the team up to this week? Let’s check in!

Dan

I made the release for CircuitPython 7.0.0-beta.1 on 2021-11-29. This release has a number of fixes since beta.0, but we still have more bugs to fix, and I and the rest of the team are working on these. I’m also debugging some RP2040 I2C problems with our ATTiny-based seesaw boards.

Jeff

I’ve been helping out with the new ESP32-S3 microcontroller (which was mostly done by @microdev), adding support for several of the boards from Espressif: the ESP32S3-Box, and the ESP32-S3-DevKitC-1 with and without PSRAM. As I write this, a pull request to enable the display on the ESP32S3-Box is pending.

Kattni

The Feather ESP32-S2 guide is live and now complete. If you picked up one of these boards, and want to know where to get started, including examples, check out the guide. I’ve begun working on the guide for the KB2040. Keep an eye out for that coming soon.

Melissa

Melissa

This past week I worked on a new guide for a laser controlled with a Nunchuk and CircuitPython. This included 3D modeling a few parts to make project easier to assemble. Keep an eye out for this guide.

Scott

Last week was short due to Thanksgiving here in the US. I did get the Raspberry Pi builds on circuitpython.org. You can see them here. It includes limited I2C support. This week I’m working on supporting all I2C peripherals, proper pin in use checking and pin muxing. These will allow for SPI and UART support as well. I’ll also be working on a Learn guide for CircuitPython on the Raspberry Pi.

Upcoming events!

PyCascades 2022

PyCascades is a regional PyCon in the Pacific Northwest, celebrating the west coast Python developer and user community. Our organizing team includes members of the Vancouver, Seattle, and Portland Python user groups. DATES ANNOUNCED! February 5th-6th, 2022 The conference will take place on Saturday and the first half of Sunday, with the post-conference sprints following that on Sunday afternoon. After three amazing in-person conferences and an engaging online conference, we are ready to do it again! – PyCascades 2022.

PyCon US 2022

PyCon US 2022 planning is underway. The team is planning to host the event in person with an online component. April 27, 2022 – May 5, 2022. Head over to the PyCon US 2022 website for details about the conference and more information about the sponsorship program – PyCon Blog.

PyCon IT 2022

PyCon Italia is the Italian conference on Python. Organized by Python Italia, it is one of the more important Python conferences in Europe. With over 700 attendees, the next edition will be June 2-5, 2022 – Ticket Registration and Call for Proposals (deadline January 9!).

Send Your Events In

As for other events, with the COVID pandemic, most in-person events are postponed or cancelled. If you know of virtual events or events that may occur in the future, please let us know on Discord or on Twitter with hashtag #CircuitPython.

Latest releases

CircuitPython’s stable release is 7.0.0 and its unstable release is 7.1.0-beta.1. New to CircuitPython? Start with our Welcome to CircuitPython Guide.

20211202 is the latest CircuitPython library bundle.

v1.17 is the latest MicroPython release. Documentation for it is here.

3.10.0 is the latest Python release. The latest pre-release version is 3.11.0a2.

2,687 Stars Like CircuitPython? Star it on GitHub!

Call for help – Translating CircuitPython is now easier than ever!

CircuitPython translation statistics on weblate

One important feature of CircuitPython is translated control and error messages.

With the help of fellow open source project Weblate, we’re making it even easier to add or improve translations.

Sign in with an existing account such as GitHub, Google or Facebook and start contributing through a simple web interface. No forks or pull requests needed!

As always, if you run into trouble join us on Discord, we’re here to help.

jobs.adafruit.com – Find a dream job, find great candidates!

jobs.adafruit.com

jobs.adafruit.com has returned and folks are posting their skills (including CircuitPython) and companies are looking for talented makers to join their companies – from Digi-Key, to Hackaday, Micro Center, Raspberry Pi and more.

Job of the Week

Tech Lead, Hack Club Bank – Hack Club – Adafruit Jobs Board.

ICYMI – In case you missed it

ICYMI

The wonderful world of Python on hardware! This is our Python video-newsletter-podcast! The news comes from the Python community, Discord, Adafruit communities and more and is reviewed on ASK an ENGINEER Wednesdays. The complete Python on Hardware weekly videocast playlist is here.

This video podcast is on iTunes, YouTube, IGTV (Instagram TV), and XML.

Weekly community chat on Adafruit Discord server CircuitPython channel – Audio / Podcast edition – Audio from the Discord chat space for CircuitPython, meetings are usually Mondays at 2pm ET, this is the audio version on iTunes, Pocket Casts, Spotify, and XML feed.

And lastly, we are working up a one-spot destination for all things podcast-able here – podcasts.adafruit.com

Contribute!

The CircuitPython Weekly Newsletter is a CircuitPython community-run newsletter emailed every Tuesday. The complete archives are here. It highlights the latest CircuitPython related news from around the web including Python and MicroPython developments. To contribute, edit next week’s draft on GitHub and submit a pull request with the changes. You may also tag your information on Twitter with #CircuitPython.

Join our Discord or post to the forum for any further questions.


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CircuitPython – The easiest way to program microcontrollers – CircuitPython.org


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