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Open Hardware: Turing Pi 2, Raspberry Pi, and Arduino

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Hardware
  • Turing Pi 2 mini-ITX cluster board takes four Raspberry Pi Compute Modules 4

    Can you remember Turing Pi mini-ITX cluster board taking up to 7 Raspberry Pi Compute Modules launched last year? Honestly, I had forgotten about it until I was asked this morning is Gumstix CM4 to CM3 adapter could be used to replace Compute Modules 3 with Compute Modules 4 in the cluster board. When I went to Turing Pi website to have a look at the board, I discovered the company had made an announcement about Turing Pi 2 cluster board specifically designed to take up to four Raspberry Pi CM4 modules.

  • Raspberry Pi CM3+ based DIN-railer features isolated I/O module

    STV Electronic has launched an “I/O Module 16” extension for its Raspberry Pi CM3+ based “Smart Manager 4.0” DIN rail PC featuring configurable, isolated DIO. Up to 8x modules with 128 I/Os can be controlled from a single system.

    We missed the Embedded World announcement in early March from German embedded vendor STV Electronic, introducing a Smart Manager 4.0 DIN-rail computer based on the Raspberry Pi Compute Module 3+. This week, the company announced an IO Module 16 add-on for the system, which is designed for industrial control and building automation.

  • Arduino Blog » Gigantic pumpkin dispenses candy at the push of a button

    YouTuber Brankly is going to be giving out candy in style this Halloween. Or, more accurately, his automated pumpkin system is going to take care of the task for him.

    His large fake jack-o’-lantern sits atop a hilariously smaller skeleton body, and hides inside a servo-driven turntable dispensing mechanism. As it rotates, treats are pushed out of a tongue-like slide mechanism, where it’s detected by two infrared sensors. This detection stops (and reverses) the dispensing plate, while the bowl in front illuminates.

  • Arduino Blog » Minimal metal detector made with an Arduino and a coil of wire

    For an easy DIY metal detector setup, look no further than this project by creator “rgco.” 

    The handheld device uses a 20-60 turn coil of 26AWG enameled wire, connected across an Arduino Uno or Nano’s pins 8 and 10. A series of pulses is continuously sent out by pin 10, which are delayed in reaching pin 8 according to the inductance across the coil. As this coil approaches other metallic objects, the effective inductance changes, thus varying the delay in the signal reaching pin 10.

    This effect is sensed by the Arduino, outputting chirps on a buzzer as audio feedback when metal is nearby. To convert it into a practical device, the Nano configuration is stuffed into a Tic Tac container, with the coil held at a distance with two skewer sticks.

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today's howtos

  • How to Install XFCE Desktop Environment in Linux Mint

    XFCE is a well know desktop environment for Linux, Solaris, and BSD systems. It is a fast, lightweight, user-friendly, GTK toolkit based desktop environment. It comes with a wide range of applications and Linux users find it very useful and appealing. You can download Linux Mint 20, in three editions Cinnamon, MATE, or Xfce. Here I will show you how to install Xfce 4.14 (GTK3 based) desktop environment on Linux Mint 20 Ulyana.

  • How to get system hardware details on CentOS 8

    When working on a Linux distribution, the user may need to know about hardware and basic system information of the current working system. Regardless of whether you are a software developer or a normal Linux user, it might be necessary to check software and hardware system compatibility. The command-line Linux system provides built-in commands through which a user can get the details about the currently used system and hardware platform. In this article, you will find a brief description of all commands, which will help you easily get details about your system and hardware.

  • [Old] The Finfisher Tales, Chapter 1: The dropper

    Amnesty International finally dropped the bomb and released a report about FinSpy spyware made by FinFisher Gmbh.

    The most interesting thing was the revelation of Mac and Linux versions, something that was missing from previous reports on this commercial malware (Kaspersky, Wikileaks).

    Their report summarizes the most important features but isn’t technically deep. This got me interested in verifying if FinSpy for Mac was any good malicious software or just the same kind of bullshit commercial malware like HackingTeam (they finally went kaput, oh so many crocodile tears!).

  • How To Install Zoom on CentOS 8 - idroot

    In this tutorial, we will show you how to install Zoom on CentOS 8. For those of you who didn’t know, Zoom is a cross-platform video communication tool that works on Windows, Mac, Android, and Linux systems. With Zoom, you can host webinars, organize online meetings, and create conference rooms. 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 through the step by step installation of Zoom client on CentOS 8.

  • How To Install OpenLiteSpeed on CentOS 8 - idroot

    In this tutorial, we will show you how to install OpenLiteSpeed on CentOS 8. For those of you who didn’t know, OpenLiteSpeed is an open-source HTTP server developed by LiteSpeed Technologies. OpenLiteSpeed is a high performance and lightweight HTTP server which comes with a Web Gui administration interface. As far as Linux web servers are concerned, OpenLiteSpeed has some interesting features that make it a solid choice for many installations. It features Apache compatible rewrite rules, a web administration interface, and customized PHP processing optimized for the server. 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 through the step by step installation of the OpenLiteSpeed web server on a CentOS 8.

  • How to Install Gibbon LMS on Ubuntu 20.04

    Gibbon is a free and open-source school management system specially designed for teachers, students, parents and leaders. It helps teachers to find, contact and help their students. It allows teachers to plan, teach, collect, assess and return work in one streamlined process. It is an excellent and one-stop-shop efficient tool that makes all information available in one place. It comes with a simple web-based interface that helps teachers to access all student details on the go.

Games: Aerofly FS 2 Flight Simulator, Amnesia: Rebirth, Vintage Story

  • Aerofly FS 2 Flight Simulator from IPACS is now available on Linux | GamingOnLinux

    Need to take to the skies? We can possibly help with that. Aerofly FS 2 Flight Simulator from IPACS recently quitely released a Linux version. They don't seem to have announced it in a news post but it's up and live on Steam right now. A reader emailed in about this, and the developer has confirmed it on their Steam forum. Looks like quite a detailed flight sim too with a number of aircraft included like the A320, B737-500, F-15, F-18, Aermacchi MB-339, King Air C90 GTx, Learjet 45, ASG 29 and Swift S1 gliders and more. After being released in Early Access in 2016, then a full release in 2017 it's continued being supported for a long time now. Most recently, it had a big update adding in the EC135 helicopter along with a bunch of optimizations to the game.

  • Amnesia: Rebirth is easily one of the scariest and best games of 2020

    After a rough launch, Frictional Games have nicely fixed up Amnesia: Rebirth and overall the experience is one we're not going to forget any time soon. "In Amnesia: Rebirth, you are Tasi Trianon, waking up deep in the desert of Algeria. Days have passed. Where have you been? What did you do? Where are the others? Retrace your journey, pull together the fragments of your shattered past; it is your only chance to survive the pitiless horror that threatens to devour you." While our livestreamer did a full playthrough live on our Twitch Channel cheered on by viewers which you can watch through on-demand on our YouTube Channel, I was spending it entirely alone in a dark room with no one but myself to count on. Not the best idea, because I am a complete wimp. I'm at least honest about that though and Amnesia: Rebirth was, in a word, terrifying. Okay, not all the way through, but plenty of it was. Amnesia: Rebirth might be Frictional's weirdest yet too. All of their games are strange in their own way but it feels like they really went hard on the darkness in Amnesia: Rebirth. It worked well though, not many games have made me terrified to look at a tiny window on a door before while I search a room for anything useful to keep me going that little bit longer.

  • Deep survival game Vintage Story has my full attention with the latest expansion

    Vintage Story has a huge new version almost ready to release, with a couple of Release Candidates going up for the 1.14 release and it's looking awesome. This is the survival game for those of you who love the blocky style of Minecraft but want something deeper, something much more complex and exciting. With full Linux support, Vintage Story is a good choice and the developer is definitely dedicated to their idea. With the 1.14 update pulling in lots of often requested features including character customization, the "Steel Age" along with assorted items to build like a metal door and a mechanical powered Pulverizer building that can grind down things for you which looks awesome. Your body temperature now matters more too with clothing giving warmth, frost damage during harsh winters, lots of new blocks, new graphics with shader effects and lots more.

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