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Author Archives: Fernando Gomes
Add Scroll Wheels and Buttons to Smartphones with 3D-Printed Widgets Read by Accelerometer
The first LED digital wristwatches hit the market in the 1970s. They required a button push to turn the display on, prompting one comedian to quip that giving one to a one-armed man would be in poor taste. While the UIs of watches and other wearables have improved since then, …read more
Posted in accelerometer, button, Cellphone Hacks, haptic, IMU, input, intertial measurement, phone, scroll wheel, smartphone, UI
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Mac Plus Becomes A Vector Display
The vintage Macintosh all-in-one computers were a design icon, as well as being highly useful machines in the 80s and 90s. In the decades since, they’ve been used for everything from web servers to aquariums, but that’s not all. [Arcade Jason] decided to grab an old Macintosh Plus and turn …read more
Posted in Mac Hacks, macintosh, vector, vector display
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Play Dough Simplifies Interferometer Build
An interferometer sounds like something complicated, and in a way, it is. But it is also pretty easy to build one with some common materials. [Let’s Innovate] has instructions for how to make an interferometer using a green laser pointer, some mirrors, and a CD case. one of the most …read more
Building a Mag Lev Optical Table
When you’re talking about optics, things are often happening on a nanometer scale. This means that even the slightest amount of vibration can spoil delicate work. [The Thought Emporium] is working on a long-scale project to produce chocolate holograms, and needed a stable surface to set up some optical components. …read more
Posted in laser, laser hacks, laser table, optical table
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Simulating the Enigma’s Oddball Cousin
Even if you wouldn’t describe yourself as a history buff, you’re likely familiar with the Enigma machine from World War II. This early electromechanical encryption device was used extensively by Nazi Germany to confound Allied attempts to eavesdrop on their communications, and the incredible effort put in by cryptologists such …read more
Thrust Vectoring With Compliant Mechanisms Is Hard
Thrust vectoring is one way to control aerial vehicles. It’s become more popular as technology advances, finding applications on fifth-generation fighter aircraft, as well as long being used in space programmes the world over.[RCLifeOn] decided to try and bring the technology to a prop-powered RC aircraft, in an unconventional way. …read more
Cycloid Drawing Machine Uses Sneaky Stepper Hack
Stepper motors are great for projects that require accurate control of motion. 3D printers, CNC machines and plotters are often built using these useful devices. [InventorArtist] built a stepper-based cycloid drawing machine, and made use of a nifty little hack along the way.
The machine uses a rotating turntable to …read more
Posted in classic hacks, cycloid, cycloidal, pantograph, spirograph, stepper motor
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The Smallest Hacker Camps Are The Most Satisfying, And You Can Do One Too
Two of my friends and I crammed into a small and aged European hatchback, drove all day along hundreds of miles of motorway, and finally through a succession of ever smaller roads. We were heading for a set of GPS co-ordinates in the north of Scotland, along with all of …read more
Posted in CampGND, cons, hacker camp, Scotland, Scottish Consulate
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Enforce Speed Limits with a Rusty Bike
They say you can’t manage what you can’t measure, and that certainly held true in the case of this bicycle that was used to measure the speed of cars in one Belgian neighborhood. If we understand the translation from Dutch correctly, the police were not enforcing the speed limit despite …read more
Posted in arduino, bicycle, bike, car, neighborhood, police, radar, radar gun, speed, transportation hacks
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Open Source Headset With Inside-Out Tracking, Video Passthrough
The folks behind the Atmos Extended Reality (XR) headset want to provide improved accessibility with an open ecosystem, and they aim to do it with a WebVR-capable headset design that is self-contained, 3D-printable, and open-sourced. Their immediate goal is to release a development kit, then refine the design for a …read more