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54 Articles

The Most Annoying Thing On The Internet Isn’t Really Necessary

March 29, 2024 by 31 Comments

We’re sure you’ll agree that there are many annoying things on the Web. Which of them we rate as most annoying depends on personal view, but we’re guessing that quite a few of you will join us in naming the ubiquitous cookie pop-up at the top of the list. It’s the pesky EU demanding consent for tracking cookies, we’re told, nothing to do with whoever is demanding you click through screens and screens of slider switches to turn everything off before you can view their website.

Now [Bite Code] is here to remind us that it’s not necessary. Not in America for the somewhat obvious reason that it’s not part of the EU, and perhaps surprisingly, not even in the EU itself.

The EU does have a consent requirement, but the point made in the article is that its requirements are satisfied by the Do Not Track header standard, an HTTP feature that’s been with us since 2009 but which almost nobody implemented so is now deprecated. This allowed a user to reject tracking at the browser level, making all the cookie popups irrelevant. That popups were chosen instead, the article concludes, is due to large websites preferring to make the process annoying enough that users simply click on the consent button to make it go away, making tracking much more likely. We suspect that the plethora of cookie popups also has something to do with FUD among owners of smaller websites, that somehow they don’t comply with the law if they don’t have one.

So as we’d probably all agree, the tracking cookie situation is a mess. This post is being written of Firefox which now silos cookies to only the site which delivered them, but there seems to be little for the average user stuck with either of the big browsers. Perhaps we should all hope for a bit more competition in the future.

Cookies header: Lisa Fotios, CC0.

A pixellated image of pinokio

On-click Install local AI Applications Using Pinokio

February 26, 2024 by 28 Comments

Pinokio is billed as an autonomous virtual computer, which could mean anything really, but don’t click away just yet, because this is one heck of a project. AI enthusiast [cocktail peanut] (and other undisclosed contributors) has created a browser-style application which enables a virtual Unix-like environment to be embedded, regardless of the host architecture. A discover page loads up registered applications from GitHub, allowing a one-click install process, which is ‘simply’ a JSON file describing the dependencies and execution flow. The idea is rather than manually running commands and satisfying dependencies, it’s all wrapped up for you, enabling a one-click to download and install everything needed to run the application.

But what applications? we hear you ask, AI ones. Lots of them. The main driver seems to be to use the Pinokio hosting environment to enable easy deployment of AI applications, directly onto your machine. One click to install the app, then another one to download models, and whatever is needed, from the likes of HuggingFace and friends. A final click to launch the app, and a browser window opens, giving you a web UI to control the locally running AI backend. Continue reading “On-click Install local AI Applications Using Pinokio” →

Streaming Deck Removes Need For Dedicated Hardware

February 25, 2024 by 11 Comments

Streaming content online has never been more popular than it is now, from YouTube to Twitch there are all kinds of creators around with interesting streams across a wide spectrum of interests. With that gold rush comes plenty of people selling figurative shovels as well, with audio mixing gear, high-quality web cams, and dedicated devices for controlling all of this technology. Often these devices take the form of a tablet-like device, but [Lenochxd] thinks that any tablet ought to be able to perform this task without needing dedicated, often proprietary, hardware.

The solution offered here is called WebDeck, an application written in Flask that turns essentially any device with a broswer into a stream control device. Of course it helps to have a touch screen as well, but an abundance of tablets and smartphones in the world makes this a non-issue. With the software running on the host computer, the streamer can control various aspects of that computer remotely by scanning a QR code which opens a browser window with all of the controls accessible from within. It has support for VLC, OBS Studio, and Spotify as well which covers the bases for plenty of streaming needs.

Currently the host software only runs on Windows, but [Lenochxd] hopes to have MacOS and Linux versions available soon. We’re always in favor of any device that uses existing technology and also avoids proprietary hardware and software. Hopefully that’s a recipe to avoid planned obsolescence and unnecessary production. If you prefer a version with a little bit of tactile feedback, though, we’ve seen other decks which add physical buttons for quick control of the stream.

ESP32 Oscilloscope Skips Screen For The Browser

February 23, 2024 by 29 Comments

An oscilloscope can be an expensive piece of equipment, but not every measurement needs four channels and gigahertz sampling rates. For plenty of home labs, old oscilloscopes with CRTs can be found on the used marketplace for a song that are still more than capable of getting the job done, but even these can be overpowered (not to mention extremely bulky). If you’re looking for something even cheaper, and quite a bit smaller, this ESP32 scope from [BojanJurca] might fit the bill.

The resulting device manages to keep costs extremely low, but not without a trade-off. For this piece of test equipment, sampling is done over the I2C bus on the ESP32, which can manage a little over 700 samples per second with support for two channels. With the ESP32 connected to a wireless network, the data it captures can be viewed from a browser in lieu of an attached screen, which also keeps the size of the device exceptionally small. While it’s not a speed demon, that’s more than fast enough to capture waveforms from plenty of devices or our own circuit prototypes in a form factor that can fit even the smallest spaces.

Of course for work on devices with faster switching times, it’s always good to keep a benchtop oscilloscope around. But as far as we can tell this one is the least expensive, smallest, and most capable we’ve come across that would work for plenty of troubleshooting or testing scenarios in a pinch. We’ve seen others based on slightly more powerful microcontrollers like this one based on the STM32 and this other built around the Wio Terminal with a SAMD51, both of which also include built-in screens.

Tetris Goes Full Circle

February 7, 2024 by 10 Comments

As a game concept, Tetris gave humanity nearly four solid decades of engagement, but with the possibility for only seven possible puzzle pieces it might seem a little bit limiting. Especially now that someone has finally beaten the game, it could be argued that as a society it might be time to look for something new. Sinusoidal Tetris flips these limits on their head with a theoretically infinite set of puzzle pieces for an unmistakable challenge.

Like Tetris, players control a game piece as it slowly falls down the screen. Instead of blocks, however, the game piece is a sinusoid that stretches the entire width of the screen. Players control the phase angle, amplitude, and angular frequency in order to get it to cancel out the randomly-generated wave in the middle of the screen. When the two waves overlap, a quick bit of math is done to add the two waves together. If your Fourier transformation skills aren’t up to the task, the sinusoid will eventually escape the playing field resulting in a game over. The goal then is to continually overlap sinusoids to play indefinitely, much like the original game.

While we’re giving Tetris a bit of a hard time, we appreciate the simplicity of a game that’s managed to have a cultural impact long after the gaming systems it was originally programmed for have become obsolete, and this new version is similar in that regard as well. The game can be quite addictive with a lot to take in at any given moment. If you’re more interested in the programming for these types of games than the gameplay, though, take a look at this deep-dive into Tetris for the NES.

The World Of Web Browsers Is In A Bad Way

January 4, 2024 by 115 Comments

There once was a man who invented a means for publishing scientific documents using hypertext. He made his first documents available from his NeXT cube, and a lot of the academics who saw them thought it was a great idea. They took the idea, expanded it, and added graphics, and pretty soon people who weren’t scientists wanted to use it too. It became the Next Big Thing, and technology companies new and old wanted a piece of the pie.

You all know the next chapter of this story. It’s the mid 1990s, and Microsoft, having been caught on the back foot after pursuing The Microsoft Network as a Compuserve and AOL competitor, did an about-turn and set out to conquer the Web. Their tool of choice was Microsoft Internet Explorer 3, which since it shipped with Windows 95 and every computer that mattered back then came with Windows 95, promptly entered a huge battle with Netscape’s Navigator browser. Web standards were in their infancy so the two browsers battled each other by manipulating the underlying technologies on which the Web relied. Microsoft used their “Embrace and extend” strategy to try to Redmondify everything, and Netscape got lost in the wilderness with Netscape 4, a browser on which nightmarish quirks were the norm. By the millennium it was Internet Explorer that had won the battle, and though some of the more proprietary Microsoft web technologies had fallen by the wayside, we entered the new decade in a relative monoculture. Continue reading “The World Of Web Browsers Is In A Bad Way” →

Jenny’s Daily Drivers: SerenityOS, And In Particular, Ladybird

October 10, 2023 by 35 Comments

As we continue on with the series in which I take a different OS for a spin every month I am afraid, dear reader, that this month I have a confession to make. Our subject here isn’t a Daily Driver at all, and it’s not the fault of the operating system in question. Instead I’m taking a look at a subject that’s not quite ready for the big time but is interesting for another reason. The OS is SerenityOS, which describes itself as “a love letter to ’90s user interfaces with a custom Unix-like core“, and the reason I’m interested in it comes from its web browser. I know that the OS is very much a work in progress and I’ll have to forgo my usual real hardware and run it in QEMU, but I’ve heard good things about it and I want to try it. The browser in question is called Ladybird, and it’s interesting because it has the aim of creating a modern fully capable cross-platform browser from scratch, rather than being yet another WebKit-based appliance.

A Pleasant Trip Into The 1990s

Part of a Linux desktop with the SerenityOS build instructions in the background, a terminal having built the OS, and the OS itself in a QEMU window.
My first look at SerenityOS after building it.

SerenityOS isn’t ready to be installed on real hardware, and there’s no handy ISO to download. Instead I had to clone the repository to my Linux machine and run the build script to compile the whole thing, something I was very pleased to observe only took about 40 minutes. It creates a hard disk image and opens QEMU for you, and you’re straight into a desktop.

When they mention ’90s user interfaces they definitely weren’t hiding anything, because what I found myself in could have easily been a Windows 9x desktop from the middle of that decade. There are  a bunch of themes including some Mac-like ones, but should you select the “Redmond” one, you’re on very familiar ground if you had a Microsoft environment back then. It’s only skin-deep though, because as soon as you venture into a command line shell there’s no DOS to be found. This is a UNIX-like operating system, so backslashes are not allowed and it’s familiarly similar to an equivalent on my Linux box. The purpose of this review is not to dive too far into the workings of the OS, but suffice it to say that both the underpinnings and the desktop feel stable and as polished as a Windows 95 lookalike can be. The various bundled utilities and other small programs seem to work well, and without any hint of the instabilities I’ve become used to when I’ve experimented with other esoteric operating systems. Continue reading “Jenny’s Daily Drivers: SerenityOS, And In Particular, Ladybird” →