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Open Hardware: RISC-V, Raspberry Pi Pico, SparkFun, Arduino and More

Submitted by Roy Schestowitz on Tuesday 27th of July 2021 03:36:55 PM Filed under
Hardware
  • RISC-V Developers Continue Working On KVM Support

    Going on for more than one year now is the effort for supporting KVM virtualization with the RISC-V architecture, which is very much important for RISC-V processors to be able to eventually take lift in the server space. The KVM RISC-V enablement work is now up to its nineteenth revision but not yet clear if it's ready for mainlining.

  • Archimedes the AI robot | HackSpace #45
  • Raspberry Pi Pico Drone PiWings Updated With Wi-Fi, New PCB

    Recently, Butani has announced a new update to the development—PiWings V2, a finished flight controller PCB with plans to offer pre-ordering for interested parties. The latest revision also comes with Wi-Fi via an ESP-12F. Ravi Butani showed us what the PiWings platform was capable of on an episode of our Raspberry Pi-themed podcast called The Pi Cast with a live demo.

  • Four versions of my drink mixing machine

    Once I moved to the UK, I left all that stuff behind. Then people from the GDG Coimbra asked me to give a talk on their GDG DevFest in 2018, and they asked for a drink mixing machine. So I build a new one. Same software as the BrazilJS version, but the hardware had a much smaller footprint to make it easier to carry on a plane and assemble at the location.

  • Behind the Scenes: Making a SparkFun Board

    Every so often we like to share what it takes to build a board from beginning to end. When our friends at QuickLogic asked us to show what it took to produce the new SparkFun QuickLogic Thing Plus FPGA board (announced and backed in March on Crowd Supply and releasing tomorrow!) we thought it would be a fantastic opportunity to put together a video showing you what happens on our production floor on a daily basis! This was a fun board to design and build, and we're excited to share a look at the steps we take to turn a PCB into an FPGA.

  • Send text messages over ham radio with the HamMessenger | Arduino Blog

    Ham radio, or amateur radio, is a hobby enjoyed by millions of enthusiasts around the world. The FCC in the US and similar organizations in other countries provide amateur radio licenses that allow hobbyists to communicate on designated radio bands. Most ham radio operators communicate by voice, but ham radios can transmit other kinds of data. Dale Thomas built HamMessenger, which is a portable device that enables users to send text messages through their ham radios.

    If you remember the early days of the internet, you have heard for yourself that audio can carry digital data. Dial-up internet uses a modem to transmit that audio through standard phone lines. HamMessenger uses a similar methodology to encode a text message as audio. If someone listening on that frequency also has a HamMessenger device, they can decode the text message. Messages are not encrypted, so you shouldn’t use HamMessenger for sensitive information. But it’s a fun way to chat with your ham radio buddies.

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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

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  • 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.

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