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Hardware/Modding Leftovers

Submitted by Roy Schestowitz on Saturday 18th of December 2021 09:30:56 PM Filed under
Hardware
  • Explore 3D scans with this open source tool | Opensource.com

    Light detection and ranging, better known as LiDAR, is a method of taking photographs of 3D space using lasers and GPS. That sounds like science fiction—I can think of a few scenes in some movies that probably reimagined this technology without realizing it—but it's a technology that's existed for over 50 years.

    LiDAR is useful for topographical surveying and archaeological recordkeeping, and it's useful for obtaining sources for 3D printing. I was introduced to it while working on a movie that needed to integrate an imaginary (or was it?) dragon with a real-world forest and foresting town.

    For all of these things to appear seamlessly in the same movie, digital artists were tasked with recreating, with 3D models, a tree or building that actually existed. To get the real-world objects exactly right in the 3D-modeling application, the artists needed to essentially trace the real-world object, just as you might trace a photograph to produce an accurate drawing on tracing paper. Instead of photographs, the 3D-modeling artists used LiDAR scans, which allowed them to "trace" an object in all dimensions.

  • Revopoint POP 2 – A color 3D scanner with 0.1mm accuracy (Crowdfunding)
  • When Dell Built A Netbook With An X86 System-on-Module | Hackaday

    Just like with pre-touchscreen cellphones having fancy innovative features that everyone’s forgotten about, there’s areas that laptop manufacturers used to venture in but no longer dare touch. On Twitter, [Kiwa] talks a fascinating attempt by Dell to make laptops with user-replaceable CPU+RAM modules. In 2008, Dell released the Inspiron Mini 1210, with its CPU, chipset and RAM soldered to a separate board in an “extended SODIMM” form-factor – not unlike the Raspberry Pi Compute Modules pre-CM4! Apparently, different versions of such “processor cards” existed for their Inspiron Mini lineup, with varying amounts of RAM and CPU horsepower. With replacement CPU+RAM modules still being sold online, that makes these Dell netbooks to be, to our knowledge, the only x86 netbooks with upgradable CPUs.

    You could try and get yourself one of these laptops or replacement CPU modules nowadays, if you like tinkering with old tech – and don’t mind having a subpar experience on even Linux, thanks to the Poulsbo chipset’s notorious lack of openness. Sadly, Dell has thoroughly abandoned the concept of x86 system-on-module cards, and laptops have been getting less modular as we go – we haven’t been getting socketed CPUs since the third generation of mobile Intel boards, and even RAM is soldered to the motherboard more and more often. In theory, the “CPU daughterboard” approach could improve manufacturing yields and costs, making it possible to use a simpler large board for the motherboard and only have the CPU board be high-layer-count. However, we can only guess that this wasn’t profitable enough overall, even with all the theoretical upsides. Or, perhaps, Google-style, someone axed this project internally because of certain metrics unmet.

  • Implementing A CPU Using 555 Timers And Logic Synthesis | Hackaday

    There is many a comment on these here pages along the lines of “Why did you use a microcontroller, when you could just have easily used a 555 timer!” And, yes, we sometimes agree with the sentiment, but when a chance comment seen by Hackaday.io user [Tim Böscke] suggested turning it around and building a microcontroller out of 555 timers, the gauntlet was well and truly thrown down. Now let’s be clear, this is not the first time we’ve come across this idea, there was a breadboard 555 based build ten years ago, but this is the first time we’ve seen it done by leveraging open source synthesis targeting a PCB!

  • HTGWA: Use bcache for SSD caching on a Raspberry Pi

    This is a simple guide, part of a series I'll call 'How-To Guide Without Ads'. In it, I'm going to document how I set up bcache on a Raspberry Pi, so I could use an SSD as a cache in front of a RAID array.

  • ESP8266 Based WiFi Game Boy Cartridge Browses WikiPedia | Hackaday

    [Sebastian Staacks] came across his old Game Boy and was wondering (as you do) what happened to recent attempts at getting a WiFi interface wedged into a standard cartridge. After a while the conclusion was that people had been scuppered by approaching the problem in a way that made it too hard. Obviously that meant it was necessary to follow through and build something, which is precisely what he did with his WiFi Game Boy Cartridge.

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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.

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  • How To Install MongoDB on AlmaLinux 9 - idroot

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  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
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