Month: April 2022

Processing Audio With the RP2040

The Raspberry Pi, although first intended as an inexpensive single-board computer for use in education, is now ubiquitous in electronics communities. Its low price as well as Linux platform and accessible GPIO make it useful in many places outside the classroom. But, if you want to abandon the ease-of-use in favor of an even lower

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Drill Press Piece Fastening 101

What are the options you have for securing your workpiece to the drill press table? [Rex Krueger] shows us that there’s plenty, and you ought to know about them. He goes through the disadvantages of the usual C-clamps, and shows options like the regular drill press vice and a heavy-duty version that even provides a

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Spotify’s recent Podsights and Chartable acquisitions are raising concerns over the availability of third-party podcast metrics for advertisers and publishers (Alyssa Meyers/Morning Brew)

Alyssa Meyers / Morning Brew: Spotify’s recent Podsights and Chartable acquisitions are raising concerns over the availability of third-party podcast metrics for advertisers and publishers  —  Some say it significantly reduces the number of third-party measurement options available.  —  When Spotify announced its acquisition …

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Hackaday Links: April 17, 2022

There are plenty of stories floating around about the war in Ukraine, and it can be difficult to sort out which ones are fact-based, and which are fabrications. Stories about the technology of the war seem to be a little easier to judge, and so stories about an inside look at a purported Russian drone

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Virtual classroom startup Class is testing Intel’s “emotion AI” tech that claims to detect bored, distracted, or confused students, raising privacy questions (Kate Kaye/Protocol)

Kate Kaye / Protocol: Virtual classroom startup Class is testing Intel’s “emotion AI” tech that claims to detect bored, distracted, or confused students, raising privacy questions  —  When college instructor Angela Dancey wants to decipher whether her first-year English students comprehend what she’s trying …

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The iPad needs a “pro” mode when the device is connected to a keyboard and a trackpad, with Mac-like multitasking, a proper desktop, and more for advanced users (Mark Gurman/Bloomberg)

Mark Gurman / Bloomberg: The iPad needs a “pro” mode when the device is connected to a keyboard and a trackpad, with Mac-like multitasking, a proper desktop, and more for advanced users  —  Ahead of Apple’s developers conference, here’s how I suggest fixing its iPad software conundrum: a “pro mode” …

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Solaris might be Free If You Want It

There was a time when “real” engineering workstations ran Linux Unix. Apollo and Sun were big names and Sun’s version was Solaris. Solaris has been an iffy proposition since Oracle acquired Sun, but Oracle announced last month that you can download and use Solaris 11.4 CBE free for non-production use. Do you care? If you

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Data shows the percentage share of e-commerce in total US retail sales, which is still up from pre-pandemic levels, has started to drop as in-store sales rise (Wall Street Journal)

Wall Street Journal: Data shows the percentage share of e-commerce in total US retail sales, which is still up from pre-pandemic levels, has started to drop as in-store sales rise  —  E-commerce retailers that rode a surge of online purchases in 2020 are now grappling with the fact that some customers have returned to stores

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Lasers make everything cool, vacuuming included

Credit: Dhruv Bhutani / Android Authority I’m a self-professed nerd. And like any self-respecting nerd, I love lasers. Lightsabers, Captain Kirk’s phaser, and of course, the light cycles in Tron, what’s not to like about them? But while all those examples are incredibly cool, futuristic visions of lasers in use, I didn’t realize that the

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Beanstalk, a credit-focused stablecoin protocol built on Ethereum, has lost about $182M in various crypto assets to an exploit (Michael McSweeney/The Block)

Michael McSweeney / The Block: Beanstalk, a credit-focused stablecoin protocol built on Ethereum, has lost about $182M in various crypto assets to an exploit  —  Beanstalk, a credit-focused stablecoin protocol built on Ethereum, was exploited Sunday morning.  —  The protocol lost about $182 million in various crypto assets …

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A look at adult webcam “monitors” in Colombia who train models and provide tech support; Colombia has the world’s second largest camming industry behind Romania (Rest of World)

Rest of World: A look at adult webcam “monitors” in Colombia who train models and provide tech support; Colombia has the world’s second largest camming industry behind Romania  —  In Colombia, camming monitors train models, translate chats, and provide tech support.

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