вторник, 9 июня 2026 г.

Raspberry Pi 4 connected to an HDMI display and a BME280 sensor via I2C. The display shows the Ubuntu Core logo during first bootup and installation.

Ubuntu Core is an OS intended for use on devices embedded within commercial products or industrial equipment. It’s very locked down by default. It runs on lots of different hardware, this new guide focuses on Raspberry Pi 3, 4, and 5 devices. It is a very different kind of OS than the traditional Raspberry Pi OS, which is aimed at students, hobbyists, and tinkerers. The locked down nature can make the development iteration cycle slower and more tedious than traditional Pi OS. Ubuntu Cores strengths really shine most after you’ve already got a project functioning how you want under a more traditional OS like Pi OS or Ubuntu Server/Desktop and you are ready to deploy somewhere remote.

The Ubuntu Core documentation describes the OS like this:

Ubuntu Core is an immutable and transaction-based version of Ubuntu that’s engineered for cloud, embedded, and IoT systems.

It provides an image-based deployment infrastructure with automatic updates for sandboxed applications, enabling the creation of production-ready systems with minimal attack surface and automatic rollback capabilities.

Ubuntu Core reduces the time to production by eliminating manual provisioning, ensuring systems remain secure throughout their lifecycle, and enabling rapid updates across fleets of devices at scale.

It is designed for embedded Linux developers, IoT device manufacturers, cloud-based applications, and organizations deploying embedded systems in robotics, automotive, signage, industrial automation, and IoT applications – from single devices to thousands in the field.

This new guide features pages covering installation, a sensor dashboard demo, and building custom snaps and images.

Read more at Use Blinka in Ubuntu Core on Raspberry Pi



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понедельник, 8 июня 2026 г.

Five Adafruit microcontroller boards with built-in SD card slots: Memento camera board, PyPortal, Metro RP2350, Feather RP2040 Adalogger, and Adafruit Fruit Jam, displayed alongside several SD cards of various sizes.

This guide benchmarks SD card performance in CircuitPython across a range of boards, card tiers, and filesystems. The findings are straightforward: SDIO for bulk transfers, SPI for fast small writes. For max performance, pair a card over 32 GB (A2/U3 rated) with an exFAT filesystem.

Read more at SD Card Performance in CircuitPython



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Have y’all seen this incredible collaboration between Becky Stern and James Wright?! Don’t miss their videos on YouTube or Becky’s electronics write up on Instructables.




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пятница, 5 июня 2026 г.

The Python for Microcontrollers Newsletter is the place for the latest news involving Python on hardware (microcontrollers AND single board computers like Raspberry Pi).

This ad-free, spam-free weekly email is filled with CircuitPythonMicroPython, and Python information that you may have missed, all in one place!

You get a summary of all the software, events, projects, and the latest hardware worldwide once a week, no ads! You can cancel anytime.

It arrives about 11 am Monday (US Eastern time) with all the week’s happenings.

And please tell your friends, colleagues, students, etc.

Please sign up > > >

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Are you subscribed to the Adafruit Youtube channel? If you’re not already subscribed, click here! http://adafru.it/subscribe . It’s a free and easy way to keep up with our newest episodes. Here’s some of what we’re up to.

Electronics show and tell every Wednesday at 7:30pm ET.

Every Wednesday night at 8pm ET join us for our weekly live video & chatroom! Visit http://adafruit.com/ask for more info. You can ask anything about electronics, kits at Adafruit or just stop in to meet other makers who are building cool things!

Hang out with Noe & Pedro Ruiz every week and discover 3D printing! Get your 3D news, projects, design tutorials, shop talk and more each week..

Each week Ladyada shows the newest great electronics at Adafruit!

Join Ladyada streaming live for circuit board layout design, code writing, surface mount soldering and more fresh engineering and even some gaming! If Ladyada’s working on it, you’ll find it here first.

Chip Shortage includes videos about the ongoing chip shortage in the electronics industry. Adafruit founder Ladyada discusses the current state and highlights products that are hard to get or possibly “unobtainium”.

Project builds, hacks, and mods from John Park’s Workshop!

This playlist highlights Adafruit manufacturing right here in NYC!

And so much more!



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#circuitpythonparsec
Animate eight custom characters for the LCD character display

code example
To learn about CircuitPython: https://circuitpython.org

 



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четверг, 4 июня 2026 г.

It’s JOHN PARK’S WORKSHOP — LIVE! — Coming up at 4pm ET / 1pm PT Today!  LIVE TEXT CHAT IS HERE in the Adafruit Discord chat!

  • Projects: Attachécade
  • CircuitPython Parsec
  • Tool Tips
  • Learn Guide recap
  • Retro Gear 
  • and more!

The live video will be on Youtube LIVE, Twitch, Periscope (Twitter) and Facebook.

Join maker John Park in his workshop each week as he builds, demos, hacks, and mods projects live on air! “John Park’s Workshop — LIVE” is the place to see creative projects come to life, as John uses a wide variety of tools and techniques to make everything from video game controllers to synthesizers to LED dance shoes to coffee robots, using digital fabrication, hand and power tools, microcontrollers, and more. Come on into the chat to participate in the fun! Every Thursday @ 4pm ET/1pm PT!



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