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    Use gImageReader to Extract Text From Images and PDFs on Linux

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · Yesterday - 18:41

gImageReader is a front-end for Tesseract Open Source OCR Engine. Tesseract was originally developed at HP and then was open-sourced in 2006.

Basically, the OCR (Optical Character Recognition) engine lets you scan texts from a picture or a file (PDF). It can detect several languages by default and also supports scanning through Unicode characters.

However, the Tesseract by itself is a command-line tool without any GUI. So, here, gImageReader comes to the rescue to let any user utilize it to extract text from images and files.

See https://itsfoss.com/gimagereader-ocr/

#technology #opensource #PDF #OCR #gImageReader

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    Watchy: Remember Pebble? This Arduino-Compatible Open Source Hackable $50 Smartwatch Uses An ESP32 Microcontroller And An E-ink Display

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · 2 days ago - 11:22

It used to be that building your own watch was either a big project or it meant that you didn’t really care about how something looked on your wrist. But now with modern parts and construction techniques, a good-looking smart watch isn’t out of reach of the home shop. But if you don’t want to totally do it yourself, you can turn to a kit and that’s what Stephen Cass did. Writing in IEEE Spectrum, he took a kit called a Watchy and put it through its paces for you.

With its gray-tinted screen, Squarofumi’s Watchy inevitably conjures echoes of the Pebble smartwatch, which made a huge splash in 2012 when it raised over US $10 million on Kickstarter. Pebble ultimately had its lunch eaten by Apple and others, but Watchy is different in a few key respects: It is not trying to be a mass-market device. It is unashamedly for those willing to tangle with code. It’s also inexpensive — just $50 versus the Pebble’s $150, let alone the Apple Watch’s $400 price tag.

See https://hackaday.com/2021/03/06/the-ieee-builds-a-smart-watch/

#technology #hardware #watchy #opensource #smartwatch

  • The IEEE Builds a Smart Watch

    It used to be that building your own watch was either a big project or it meant that you didn’t really care about how something looked on your wrist. But now with modern parts and constructio…

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    ericbuijs

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    croc is a free and open source cross-platform P2P command line tool for secure file transfers between computers

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · 3 days ago - 09:27

It uses relay-assisted peer-to-peer transactions and end-to-end encryption via password-authenticated key exchange. The program is written in Go and is available for Microsoft Windows, macOS, Linux and *BSD.

The idea behind croc is being able to transfer files and folders between cross-platform computers securely, fast and easy. With support for resumable, peer-to-peer transfers. As a bonus feature, croc is also able to securely transfer a short text or URL directly.

The data transfer is done using a relay, either using raw TCP sockets or websockets. When the sender and the receiver are on the same LAN, croc uses a local relay, otherwise a public relay is used. Thanks to this, croc can send files between computers in the same LAN, or over the Internet, without having port-forwarding enabled.

See https://www.linuxuprising.com/2021/03/croc-is-tool-for-resumable-encrypted.html

#technology #opensource #P2P #crossplatform #filetransfer

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    5 useful Moodle plugins to engage students - Use plugins to give your e-learning platform new capabilities that motivate students

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · 4 days ago - 13:21

A good e-learning platform is important for education all over the world. Teachers need a way to hold classes, students need a friendly user interface to facilitate learning, and administrators need a way to monitor the educational system's effectiveness.

Moodle is an open source software package that allows you to create a private website with interactive online courses. It's helping people gather virtually, teach and learn from one another, and stay organized while doing it.

What makes Moodle unique is its high usability that can significantly increase with third-party solutions. If you visit the Moodle plugins directory, you'll find over 1,700 plugins developed by the open source community.

See https://opensource.com/article/21/3/moodle-plugins

#technology #opensource #education #elearning #moodle

  • 5 useful Moodle plugins to engage students

    A good e-learning platform is important for education all over the world. Teachers need a way to hold classes, students need a friendly user interface to facilitate learning, and administrators need a way to monitor the educational system's effectiveness. Moodle is an open source software package that allows you to create a private website with interactive online courses. It's helping people gather virtually, teach and learn from one another, and stay organized while doing it.

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    Canonical Chooses Google’s Open Source Cross-Platform Flutter UI SDK to Build Future Ubuntu Apps

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · 4 days ago - 13:05

For those not in the know, Flutter is an open-source UI SDK (software development kit) created by Google to helps those who want to build quick and modern applications for a wide-range of operating systems, including Android, Linux, Mac, iOS, Windows, Google Fuchsia, that work across desktop, mobile, and the Web.

The company behind Ubuntu is writing another page of history by targeting Flutter as the default UI (user interface) framework for building their own Ubuntu apps, which will work across a wide-range of hardware and configurations.

See https://9to5linux.com/canonical-chooses-googles-flutter-ui-sdk-to-build-future-ubuntu-apps

#technology #opensource #ubuntu #linux #crossplatform

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    How To Use VIM Editor - Because if you've not used it for years you won't be able to exit it

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · 5 days ago - 20:57

Yes VIM Editor is renowned for its flexibility and power (probably second to none) but it does not follow any of the current conventions even for cut-and-paste, or scrolling around, or exiting. So most people, like me, who start it up to test it out, have to do an Internet search to figure out how to exit it. Just remember :h for help and :wq for save and exit.

The article below scratches the surface in terms of the very basics but does not cover any of the more detailed functionality of plugins that VIM can use. It does give some idea though that if you use a number of steps regularly, there is a lot of power in using VIM. You either love VIM or you hate it ;-)

See https://anto.online/guides/how-to-use-vim/

#technology #opensource #VIM #linux #macos

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    Monitor your Raspberry Pi with a free Grafana Cloud account, or host open source Grafana yourself

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · 7 days ago - 11:35

You may have heard of Grafana, a time-series dashboarding tool that helps you discover what's going on in your environment. People from hobbyists to enterprise professionals like to use it for visualizations because it is open source and can accept data from myriad sources. This article describes how to use it to monitor your Raspberry Pi as an example of Internet of Things (IoT) monitoring.

It uses Grafana's latest offering, Grafana Cloud, a hosted free version that requires a lot less work than setting it up yourself. You can do everything in this article by downloading and installing Grafana, but the hosted version is convenient and lets you focus on other work (assuming your Raspberry Pi is connected to the Internet).

See https://opensource.com/article/21/3/raspberry-pi-grafana-cloud

#technology #opensource #grafana #dashboard

  • Monitor your Raspberry Pi with Grafana Cloud

    You may have heard of Grafana, a time-series dashboarding tool that helps you discover what's going on in your environment. People from hobbyists to enterprise professionals like to use it for visualizations because it is open source and can accept data from myriad sources. This article describes how to use it to monitor your Raspberry Pi as an example of Internet of Things (IoT) monitoring.

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    octapiros

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    Singapore reveals open-source blockchain COVID-test result tracker, eyes uses as vaccine passport app

    Danie van der Merwe · news.movim.eu / gadgeteerza-tech-blog · Monday, 1 March - 11:40

Singapore has proposed a blockchain-based document verification system developed by its GovTech agency to provide proof of recent negative COVID-19 tests, and hopes it becomes used to offer proof of vaccination status around the world.

Named "HealthCerts", the system is based on open-source framework known as OpenAttestation that uses blockchain to issue cryptographically trustworthy documents. The technology is already applied by some local universities to issue and authenticate diplomas.

Singapore’s Minister of Foreign Affairs, Vivian Balakrishnan said last week that the technology is “globally inter-operable” and that Singapore therefore hopes to share it with the world to facilitate more cross-border travel.

See https://www.theregister.com/2021/03/01/blockchain_to_the_rescue_singapore/

#covid #technology #blockchain #singapore #opensource