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Baby Keyboard Is Really Three Boards
Just when we think we’ve peeped all the cool baby keebs out there, another think comes along. This bad boy built by [andyclymer] can be configured three different ways, depending on what kind of...
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Rubber Bands Can Secure Your Sanity
One of the greatest joys of being a child was figuring out that rubber bands make awesome sounds when they are plucked, and that the sound is easily changed by stretching the band to different...
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An Armored Vehicle From Foam Core And Big Box Toys
Over the last several months, [Eric Strebel] has been working on a concept for an electric-powered infantry combat vehicle. We don’t think he’s been contracted by any nation’s military to design this...
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“Glixie” Puts a New Spin on Glow-In-The-Dark Displays
For as many projects as we see using Nixie tubes in new and unusual ways, there’s a smaller but often very interesting cohort of displays that fit into the “Nixie-like” category. These are projects...
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3D Printed Dogbox Transmission Kicks Your Desk Into High Gear
It’s often been our experience that some of the most impressive projects are the passion builds, the ones where the builder really put in their all and obsessed over every detail. Even if they don’t...
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This V8 Makes a Shocking Amount of Power
As a work of art, solenoid engines are an impressive display of electromagnetics in action. There is limited practical use for them though, so usually they are relegated to that realm and remain...
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Thermochromic Display Tells You the Temperature Despite Your Current Mood
Readers who survived the 1970s will no doubt remember the “mood ring” fad, where a liquid crystal mounted to a ring would magically reveal your current emotional state to all and sundry by changing...
View ArticleExpansion Board Puts Spotify On The Amiga 500
No doubt some purists in the audience will call this one cheating, since this Amiga 500 from 1987 isn’t technically connecting to Spotify and playing the music by itself. But we also suspect those...
View ArticleGoogle’s Pigweed for ARM development is a nice surprise
Setting up an environment for Embedded Development was traditionally a pain and so vendors provide integrated development environments to help bridge the gap. Google has open-sourced their version of...
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The Fart Box, a Synthesizer Not Quite Like Others
[lookmumnocomputer] enjoys creating synthesizers, and early last year he created one called The Fart Box. It is an entirely analog synthesizer with which, according to its creator, it is difficult to...
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Screwy Math For Super Fine Adjustments: Differential Screws
For any sort of precision machine, precision adjustability is required. For the hacker this usually involves an adjustment screw, where the accuracy is determined by the thread pitch. This was not good...
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How Constant Is Your Choice Of Lights?
The move from incandescent filament lamps to fluorescent, and then LED lighting over the last couple of decades has delivered immense benefits in terms of energy saving, but had brought with it...
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High Power LoRa and Tropospheric Reflection Experiments
We’re used to LoRa as a free-to-use digital radio protocol allowing not-very-high data rate communications over distances of a few miles. It’s made all kinds of distributed sensor systems a breeze, and...
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Bee Counter Will Have You Up to Your Nectar In Hive Data
While we admit that free honey sounds pretty good, beekeeping is not some set-it-and-forget-it hobby where you can just put bees in a box and come back in a month to collect the goods. With the...
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A NES Motherboard For The Open Source Generation
As the original hardware from the golden era of 8-bit computer gaming becomes a bit long in the tooth, keeping it alive has become something of a concern for enthusiasts. There have been a succession...
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Hackaday Links: March 22, 2020
Within the span of just two months, our world of unimaginable plenty and ready access to goods manufactured across the globe has been transformed into one where the bare essentials of life are hard to...
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Eavesdropping Assistant Disturbs The Sound Of Silence
Unless you happen to be from Finland, this is just an all too familiar situation: you’re stuck in an inescapable situation with this one person who is really more of an acquaintance than a friend, and...
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Compliant Quadruped Legs Using Servos
Walking robots that move smoothly are tricky to build and usually involve some sort of compliant leg mechanism — a robot limb that can rebound like natural physiology for much better movement than what...
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Classic Macintosh Gets an iPad Infusion
We know the classic Mac fans in the audience won’t be happy about this one, but the final results are simply too clean to ignore. With a laser-cut adapter and a little custom wiring, [Travis DeRose]...
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MIT Ventilator Designed with Common Manual Resuscitator; Submitted for FDA...
In many parts of the world the COVID-19 pandemic is causing shortages in hospital space, staff, medical supplies, and equipment. Severe cases may require breathing support, but there are only so many...
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