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Open Hardware and Devices With GNU/Linux

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Hardware
  • Instaclock | The Magpi 92
  • [Old] BrailleBox: Android Things Braille news display

    To create the six nubs necessary to form Braille symbols, Joe topped solenoids with wooden balls. He then wired them up to GPIO pins of the Pi 3 via a breadboard.

  • Sending my alerts directly to the keyboard

    As I learned while making this blog post, custom drivers are not always the best way to add custom functionality to USB devices on Linux, sometimes there are pre existing APIs that can make adding functionality a lot easier.

    Despite me ending up not using a custom USB driver in the final version, it was still quite interesting to play around with, if for no other reason than I now have another trick up my sleeve for future projects.

    And now thanks to my keyboard, I will never miss alerts again.

  • Onlykey review

    There’s a sort of soft rubber case around the key, you can get all kinds of colors (I just stuck with black). It also comes with the handy little carribeener to attach it to your keychain or whatever.
    So, once you have the firmware somewhat up to date, you can run the app. It will also update firmware as long as it’s not too old. The firmware is open source: https://github.com/trustcrypto/OnlyKey-Firmware
    On your first run (or if you factory wipe it), you have to do a bit of setup. You can enter 2 profile pins (sequences of buttons). They suggest that this might be ‘work’ and ‘home’, but you could use them for whatever you like. You can also enter a ‘self destruct’ profile pin, which wipes back to factory settings if you enter it. You can also tell it to do this if someone enters the wrong pin 10 times, but it will flash red and stop taking input after 3 failed pins. So to wipe it this way you have to enter 3 wrong pins, remove, insert, 3 more wrong pins, remove, insert 3 more wrong pins, remove, insert, 1 more wrong pin. You can also load a firmware called the “International Travel Edition” that has no encryption at all (it’s only protected by the pin).

  • Widora TINY200 Allwinner F1C200s ARM9 Development Board Support DVP Camera, Up to 512MB SD NAND Flash

    Widora TINY200 is a tiny ARM9 development board equipped with Allwinner F1C200s with a DVP camera interface compatible with OV2640 / 5640 sensor, an audio amplifier, and various storage options from a 16MB SPI flash to a 512MB SD NAND flash.

    I first heard about the processor when I wrote about Microchip SAM9X60 ARM9 SoC last month, and some people noted there were other fairly new ARM9 SoCs around such as Allwinner F1C200s that also includes 64MB RAM so you can run Linux without having to connect external memory chips.

  • Librem 5 January 2020 Software Update

    January saw development take off again after the end-of-year break, and following on from the Chestnut shipment of the Librem 5.

    Some of the activities below were already mentioned in their own articles in Purism’s news archive; others will be covered in more depth in future articles. This is just a taste of all the work that goes into making the Librem 5 software stack. You can follow development more closely at source.puri.sm.

  • ESP32-S2-Saola-1 Development Board is Now Available for $8

    Espressif ESP32-S2 WiFi SoC mass production started at the end of February 2020, and soon enough we started to find ESP32-S2 SoC and modules for $1 to $2 on sites like Digikey, but so far we had not seen ESP32-S2 development boards for sale.

    The good news is the breadboard-friendly ESP32-S2-Saola-1 development board has started to show up for $8 on resellers such as Mouser and Digikey albeit with a lead time of 8 to 12 weeks.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.