ICYMI Python on Microcontrollers Newsletter: New Products, Learning Resources and much more! #CircuitPython #Python #ICYMI @micropython @Raspberry_Pi

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Welcome to the latest Python on Microcontrollers newsletter! The New Year brings new product announcements from Espressif and Raspberry Pi. And promised Raspberry Pi Pico W Bluetooth support. If you have a resolution to learn Python (or learn more Python), there are lots of free resources and classes available. And if you want to write Python on Linux, snag a free virtual machine from IBM. Now is the best time to get involved, with so many resources available. – Ed.

We’re on Discord, Twitter, and for past newsletters – view them all here. If you’re reading this on the web, subscribe here. Here’s the news this week:

Bluetooth Support for Raspberry Pi Pico W Likely Coming in January

Bluetooth Support for Raspberry Pi Pico W

Bluetooth Support for Raspberry Pi Pico W is likely coming this month, per a Raspberry Pi team member. It will be in the 1.5.0 release of the Pico C software developer’s kit. This should allow for adoption in Python at some point after that – Twitter, Adafruit Blog and hackster.io.

Raspberry Pi Releases New Autofocus Camera Modules

New Autofocus Camera Modules

Raspberry Pi announced Monday the launch of Raspberry Pi Camera Module 3. Four different variants of Camera Module 3, in fact, starting at the familiar price of $25. There are new Camera Modules with both visible-light and infrared-sensitive options, and with either a standard or wide field of view (FoV). And in place of the fixed-focus optics of its predecessors, Camera Module 3 provides powered autofocus — which many have requested — allowing you to take crisp images of objects from around 5cm out to infinity – Raspberry Pi.

There is also a new video out discussing the cameras by Kevin McAleer – YouTube.

CircuitPython in 2023: Let the Devs Know Your Feelings!

CircuitPython in 2023

As the year starts, the CircuitPython development team would like to take some time to share their goals for CircuitPython in 2023 and beyond. Just like past years (full summary 2019, 2020, 2021, and 2022), they’d like everyone in the Python on hardware community to contribute by posting their thoughts to a public place on the internet by Wednesday January 18th, 2023.

Here are a few ways to post:

  • a video on YouTube
  • a post on the CircuitPython forum
  • a blog post on your site
  • a post on Mastodon with tags #CircuitPython and #CircuitPython2023
  • a Gist on GitHub

They want to hear from you. When you post, please add #CircuitPython2023 and email [email protected] to let them know about your post so they can post it on the Adafruit Blog.

The post can cover any topic related to CircuitPython. See a suggested list and more in the post on the Adafruit Blog. This includes any suggestions or comments related to this newsletter.

Posts so far:

SparkFun turns Twenty Years Old

SparkFun turns Twenty

SparkFun, an open source parts supplier, turned 20 yeard old last week, according to founder Nathan Seidle – SparkFun and YouTube.

SparkFun turns 20 years old this week, and next year I’ll have worked at SparkFun half of my life. Since SparkFun opened its doors, there was always work to do. The challenge of getting a little faster to market, writing a little cleaner code, open sourcing more technologies, and increasing the production yield rate a few fractions of a percentage more was, and continues to be, thrilling. I get to puzzle for work, and I’ve got a whole team of like minded folks that makes another twenty years of SparkFun sound absolutely delightful.

New Espressif Chip Announcements

Two announcements last Friday from Espressif on upcoming chips:

New Espressif Chip Announcements

Espressif’s Wi-Fi 6 SoC, ESP32-C6, is officially available and will be supported in the upcoming ESP-IDF 5.1. It combines 2.4 GHz Wi-Fi 6, Bluetooth 5 (LE) and 802.15.4 protocol support. ESP32-C6 consists of a high-performance 32-bit RISC-V processor which can be clocked up to 160 MHz, and a low-power 32-bit RISC-V processor which can be clocked up to 20 MHz. ESP32-C6 has a 320KB ROM, a 512KB SRAM, and works with external flash. It comes with 30 (QFN40) or 22 (QFN32) programmable GPIOs, with support for SPI, UART, I2C, I2S, RMT, TWAI, PWM, SDIO, Motor Control PWM. It also includes a 12-bit ADC and a temperature sensor – Espressif News.

New Espressif Chip Announcements

The ESP32-P4 is powered by a dual-core RISC-V CPU with an AI instructions extension, an advanced memory subsystem, and integrated high-speed peripherals, running up to 400MHz. ESP32-P4 is designed for high-performance applications that require strong security. The ESP32-P4 HP core system has 768KB of on-chip SRAM, which can become accessible as cache when external PSRAM is available. In addition, the ESP32-P4 HP core system has 8KB of zero-wait TCM RAM, which can be used for fast data buffers or time-critical sections of code. The ESP32-P4 does not have onboard radio support, unlike other common Espressif chips.

ESP32-P4 has more than 50 programmable GPIOs, which is significantly more than those of any other Espressif SoC to date. ESP32-P4 supports all the commonly used peripherals, such as SPI, I2S, I2C, LED PWM, MCPWM, RMT, ADC, DAC, UART, and TWAITM. Further to this, ESP32-P4 supports USB OTG 2.0 HS, Ethernet, and SDIO Host 3.0 for high-speed connectivity – Espressif News.

RISC-V Summit 2022: All Your CPUs Belong to Us

RISC-V Summit 2022: All Your CPUs Belong to Us

In a recent guest editorial on EE Times, legendary professor David Patterson wrote about busting the five myths around the RISC-V instruction set architecture (ISA). At the recent RISC-V Summit organized by RISC-V International, the consortium that manages and promotes the RISC-V Instruction Set Architecture (ISA), its president, Calista Redmond, had a far more blunt message: RISC-V is inevitable.

She said RISC-V will eventually have the best CPUs, the best software running on them and the best ecosystem of any microprocessor core family. These are mighty strong words for a nascent ISA that is only about 10 years old and that competes with the far more established Arm and x86 ISAs. It almost sounded like the Borg from Star Trek when they say, “Resistance is futile.”

More – EE Times.

The UK National Museum of Computing Awards Raspberry Pi co-founders Liz and Eben Upton Honorary Fellowships

Honorary Fellowships

The National Museum of Computing awarded Raspberry Pi co-founders Liz and Eben Upton Honorary Fellowships acknowledging “outstanding individuals who have made significant and lasting contributions to the fields of computing and technology” – Raspberry Pi.

This Week’s Python Streams

Python Streams

Python on Hardware is all about building a cooperative ecosphere which allows contributions to be valued and to grow knowledge. Below are the streams within the last week focusing on the community.

CircuitPython Deep Dive Stream

Deep Dive

This week, Tim had more fun with the Pico Midi Sequencer.

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 this week is on Short vs. Long Press – Adafruit Blog and YouTube.

Catch all the episodes in the YouTube playlist.

The CircuitPython Show

The CircuitPython Show

The CircuitPython Show is an independent podcast hosted by Paul Cutler, focusing on the people doing awesome things with CircuitPython. Each episode features Paul in conversation with a guest for a short interview – CircuitPythonShow and Twitter.

Project of the Week: Animations on OLED Displays Using CircuitPython

Animations on OLED displays using CircuitPython

Animations on OLED displays using CircuitPython – YouTube and Tutorial.

There are many ways to load and display an animation on an OLED screen, either a monochrome display, or a color one. I am going to show you what I think is the easiest way to achieve it. I will work with the monochrome OLED, but the procedure works with the Color one as well.

Focus: Learning Python

futurecoder

Learn Python from scratch, beginner friendly, 100% open source and free – futurecoder.

Harvard University is offering Web Programming with Python Course

Harvard University is offering Web Programming with Python Course for free – Twitter Thread.

10 Free Python Courses to upskill in 2023

10 Free Python Courses to upskill in 2023 – Twitter Thread.

News from around the web!

The Big Book of Small #Python Projects

The Big Book of Small Python Projects: 81 small projects for beginners designed to build programming skills and teach new techniques (Free 434-page PDF download) – Twitter.

Learning cooperative multitasking in CircuitPython

Learning cooperative multitasking in CircuitPython for the sequencer tomfoolery. Need to get nice sharp trigger pulses from 2ms to 50ms in length, and can’t let it mess up all the other timings – Instagram.

Interface Magazine

The Japanese language Interface Magazine March 2023 issue (release January 25th) features extensive coverage of MicroPython – Interface.

RP2040 and I2C Display

Using Raspberry Pi Pico RP2040 I2C with MicroPython for Matrix Orbital I2C Displays – Twitter and GitHub.

WiFindicator project

I bodged a button on to the WiFindicator project and got reliable signal passing between the two devices! This is exciting because it means I have all of the fundamentals in place to make this project reality. All the theory is proven out, I just need to put it all together – Mastodon.

Numworks Calculator

Numworks calculator (MicroPython): a Python script that calculates the lifting force and a lifting mass of a heated volume of air – Twitter.

Pi Camera

A Raspberry Pi camera – Twitter and Python code on GitHub.

Farm Robot

Making a farm robotic assistant: Building a development environment for Atom Lite with MicroPython. Sounding the buzzer for M5Stack, communicated between Raspberry Pi 4 and Atom Lite and played the startup sound of the robot – Twitter.

How to use ChatGPT in Python using pyChatGPT

How to use ChatGPT in Python using pyChatGPT – morioh and YouTube.

Snake Game

Making a snake game on a Pico Slice 3 using MicroPython and multiple cores – YouTube and Code, via Twitter.

Font Converter

An update to the popular Font Converter over the weekend. It generates pixel fonts for embedded graphic libraries like Adafruit GFX – Squix via Twitter.

LoRa

A LoRa radio test setup with an ESP8266, GPS module, MicroPython and ebyte e32 LoRa module – Twitter.

Free IBM VMs

Ubuntu 22.04 is now available on the IBM LinuxONE Community Cloud! What’s that? It’s a mainframe hosted at Marist College that has free virtual machines available for developers, hobbyists, students and others looking to test out their software on the s390x (IBM zSystems & LinuxONE) hardware architecture – Mastodon and Getting Started – IBM.

Make a Mastodon Bot on AWS Free Tier

Make a Mastodon Bot on AWS Free Tier – Matt Duggan.

Also: Introduction to the Mastodon API using CircuitPython – Adafruit Learning System.

18 Python scripts that help you write code faster

18 Python scripts that help you write code faster – morioh.

PyDev of the Week: Claudio Jolowicz on Mouse vs Python

CircuitPython Weekly Meeting for January 9, 2023 (notes) on YouTube

#ICYDNCI What was the most popular, most clicked link, in last week’s newsletter? The Linux Command Line by William Shotts 5th Ed (free PDF).

New and Coming Soon

Banana Pi M5 Honest Review: Is it a Raspberry Pi 4 Challenger

Banana Pi M5 Honest Review: Is it a Raspberry Pi 4 Challenger? – RaspberryTips.

VisionFive 2: RISC-V Quad Core Low Cost SBC

VisionFive 2: RISC-V Quad Core Low Cost SBC unboxing – YouTube via Twitter.

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 was one new board added:

Note: For non-Adafruit boards, please use the support forums of the board manufacturer for assistance, as Adafruit does not have the hardware to assist in troubleshooting.

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

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 channels 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 357!

New Libraries!

Here’s this week’s new CircuitPython libraries:

Updated Libraries!

Here’s this week’s updated CircuitPython libraries:

Total Library Stats

  • 96312 PyPI downloads over 306 libraries

Top 10 Libraries by PyPI Downloads

  • Adafruit CircuitPython BusDevice (adafruit-circuitpython-busdevice): 19697
  • Adafruit CircuitPython Requests (adafruit-circuitpython-requests): 18887
  • Adafruit CircuitPython Register (adafruit-circuitpython-register): 1146
  • Adafruit CircuitPython NeoPixel (adafruit-circuitpython-neopixel): 1097
  • Adafruit CircuitPython DHT (adafruit-circuitpython-dht): 742
  • Adafruit CircuitPython MCP230xx (adafruit-circuitpython-mcp230xx): 719
  • Adafruit CircuitPython Wiznet5k (adafruit-circuitpython-wiznet5k): 700
  • Adafruit CircuitPython ServoKit (adafruit-circuitpython-servokit): 614
  • Adafruit CircuitPython Motor (adafruit-circuitpython-motor): 613
  • Adafruit CircuitPython Logging (adafruit-circuitpython-logging): 608

What’s the team up to this week?

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

Dan

Scott and Jeff and I had an 8.0.0 issue triage meeting and distributed the remaining issues among ourselves. As of this writing, there are eight open issues.

We have had various issues with I2C on the ESP32-S3. There is a new proposed fix for the ESP-IDF. I tried it, but sadly it still doesn’t fix the behavior of the LC709203F or BNO055 I2C sensors. It’s still necessary to retry operations to get them to work reliably, which is not necessary when they are used with an ESP32-S2.

Melissa

Recently I switched over to working on an installer for CircuitPython that could be used to directly program ESP32 boards instead of just downloading the firmware and using another tool to flash the board.

Tim

I’ve been working on the MIDI sequencer capabilities a little bit more, and starting to ramp back up on PR reviews after holiday break.

Jeff

I’m back to working on CircuitPython bugs! One interesting problem, discovered by a community member, was that multiple CircuitPython devices would not mount on the same MacOS machine at the same time. I learned that FAT devices have a 32-bit “Volume ID”. MacOS apparently depends on the Volume ID being unique among devices inserted into the computer, but actually a fresh CircuitPython device would almost always get the same Volume ID. I corrected CircuitPython so that it chooses a random 32-bit volume ID when the CIRCUITPY drive is formatted (or, failing that, a volume ID that is based on the microcontroller’s own unique ID).

Scott

This week I’m back from holiday vacation (even though I’m still visiting family.) I’ve gotten caught up on emails, Discord and forums. We’ve also had good discussions around 2023 planning. Next on my list is to draft my thoughts for #CircuitPython2023. I’d love to hear your thoughts for #CircuitPython2023 too!

Upcoming events!

MicroPython Meetup

The next MicroPython Meetup in Melbourne will be on January 25th – Meetup.

FOSDEM 2023

FOSDEM is a free event for software developers to meet, share ideas and collaborate. Every year, thousands of developers of free and open source software from all over the world gather at the event in Brussels. February 4-5, 2023 in Brussels, Belgium – Fosdem.

PyCon US 2023

PyCon US 2023 will be April 19-17, 2023, again in Salt Lake City, Utah USA – PyCon US 2023.

Send Your Events In

If you know of virtual events or upcoming events, please let us know on Twitter with hashtag #CircuitPython or email to cpnews(at)adafruit(dot)com.

Latest releases

CircuitPython’s stable release is 7.3.3 and its unstable release is 8.0.0-beta.6. New to CircuitPython? Start with our Welcome to CircuitPython Guide.

20230109 is the latest CircuitPython library bundle.

v1.19.1 is the latest MicroPython release. Documentation for it is here.

3.11.1 is the latest Python release. The latest pre-release version is 3.12.0a3.

3,361 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

Employee Resources Assistant (Benefits & Payroll) – Adafruit Industries – Adafruit Jobs Board.

36,374 thanks!

36,374 THANKS

Adafruit Discord

The Adafruit Discord community, where we do all our CircuitPython development in the open, reached over 36,374 humans – thank you! Adafruit believes Discord offers a unique way for Python on hardware folks to connect. Join today at https://adafru.it/discord.

ICYMI – In case you missed it

ICYMI

Python on hardware is the Adafruit Python video-newsletter-podcast! The news comes from the Python community, Discord, Adafruit communities and more and is broadcast on ASK an ENGINEER Wednesdays. The complete Python on Hardware weekly videocast playlist is here. The video podcast is on iTunes, YouTube, IGTV (Instagram TV), and XML.

The 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.

Codecademy “Learn Hardware Programming with CircuitPython”

Codecademy CircuitPython

Codecademy, an online interactive learning platform used by more than 45 million people, has teamed up with Adafruit to create a coding course, “Learn Hardware Programming with CircuitPython”. The course is now available in the Codecademy catalog.

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 the Adafruit Discord or post to the forum if you have questions.


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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


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