Language Selection

English French German Italian Portuguese Spanish

Development Boards and Open Hardware/Modding

Filed under
Hardware
  • Cucumber ESP32-S2 Development Board Comes with USB OTG Port, Optional Sensors

    Yesterday, I wrote about LilyGO TTGO ESP32-S2 WiFi IoT board, but one commenter mentioned it missed one of the key features of ESP32-S2 chip: a USB OTG port. While USB OTG is accessible through the header pins, it’s not the most convenient to use.

    I also quickly mentioned Cucumber ESP32-S2 development board in that post, but I did not expand too much since I thought it should only ship within Thailand. But the board does include two USB Type-C ports, one for the usual USB UART connector, and the other for USB OTG, and I found out the board is available worldwide.

  • TTGO ESP32-S2 WiFi IoT Board Comes with Optional MicroSD Card and Battery Support

    All ESP32-S2 boards I’ve seen so far were from Espressif Systems themselves including ESP32-S2-Saola-1 and ESP32-S2-Kaluga-1, but LilyGO TTGO ESP32-S2 is the first third-party board for sale so far.

    The tiny board is somewhat similar to ESP32-S2-Saola-1 board and comes in two versions with a similar form factor, but a completely different pinout and the presence of a MicroSD card socket and a battery connector on one of the boards.

    [...]

    The boards are a bit more different than I expected at first look. Please note that specifications should be seen as preliminary, as there were obvious mistakes such as Bluetooth support (not available for ESP32-S2) which I did not included in the specs above, but there may be others which I missed.

  • CR Deck Mk.1 Is An Open Source AR Headset Based On Project North Star With Ultraleap Hand-Tracking
  • Open Source Ventilators Helped by Electronic Design Software

    In the early days of the pandemic, the first major challenge facing nations was a shortage of personal protective equipment (PPE) and ventilators. The former helps safeguard hospital personnel from potential contamination; the latter are necessary to keep the most critically ill patients breathing once the virus attacks their respiratory systems.

    Ventilators are traditionally large and very costly devices; smaller ventilators—known as field emergency ventilators (FEVs) have been used in emergency settings, including combat missions and in Third World nations for decades to help keep patients alive as they await transport to hospitals for intubation.

  • NASA JPL Team Fires up Open Source PPE Respirator Designs

    Does it really take a team of rocket scientists to rapidly engineer a top-notch line of personal protective equipment (PPE) to protect against COVID-19 spread? And then to open source its production designs for the benefit of anyone with access to a 3D printer?

    The answer: not necessarily, but it sure can help.

    That’s the latest good news on the pandemic front from the technology and innovation team at the National Aeronautics and Space Administration’s (NASA) Jet Propulsion Laboratory (JPL).

  • NASA and other innovators work to redesign ventilators for Covid-19 patients

    NASA scientists as well as other innovators are busy developing alternatives to the traditional ventilator being used worldwide to treat severe cases of Covid-19. The movement is in response to growing evidence that in some cases ventilators can cause more harm than good in some patients with low oxygen levels. Statistics tell the story: 80% of patients with the coronavirus die on such machines.

    This comes just a few months since the early days of the coronavirus pandemic, when U.S. healthcare providers said that they needed ventilators to accommodate the flood of new patients, and lots of them. The crisis triggered the Trump administration to activate the Defense Production Act so manufacturers including Ford, GM and GE could start ventilator production to produce these medical devices for the U.S. government.

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.