Monthly Archives: December 2019

Foam Board, Old Electronics, and Imagination Make Movie Magic

When it comes to building sets and props for movies and TV, it’s so easy to get science fiction wrong – particularly with low-budget productions. It must be tempting for the set department to fall back on the “get a bunch of stuff and paint it silver” model, which can …read more

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Posted in decoration, Fallout, film, misc hacks, movie, props, retro, sci-si, sets, tdd, tty, vintage | Leave a comment

A Soft Robotic Insect That Survives the Fly Swatter

Swarms of robotic insects incapable of being swatted away may no longer be the product of science fiction and Black Mirror episodes. A team from EPFL’s School of Engineering has developed an insect propelled at 3 cm/s, dubbed the DEAnsect.

What makes this robot unique is its exceptional robustness. Two …read more

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Posted in microcontroller, research, robotic insect, robots hacks | Leave a comment

Fail of the Week: Ambitious Vector Network Analyzer Fails To Deliver

If you’re going to fail, you might as well fail ambitiously. A complex project with a lot of subsystems has a greater chance of at least partial success, as well as providing valuable lessons in what not to do next time. At least that’s the lemonade [Josh Johnson] made from …read more

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Posted in AD8302, Fail of the Week, filter, fotw, harmonics, RF, thesis, vector network analyzer, vna | Leave a comment

Cat Diner Now Under New Management

Most of these stories start with a cat standing on someone’s chest, begging for food at some obscene hour of the morning. But not this one. Chaz the cat is diabetic, and he needs to get his insulin with breakfast. The problem is that Chaz likes to eat overnight, which …read more

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Posted in automatic cat feeder, lifehacks, Microcontrollers, NodeMCU, servo | Leave a comment

36C3: SIM Card Technology From A to Z

SIM cards are all around us, and with the continuing growth of the Internet of Things, spawning technologies like NB-IoT, this might as well be very literal soon. But what do we really know about them, their internal structure, and their communication protocols? And by extension, their security? To shine …read more

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Posted in 2g, 36C3, 3g, 4g, 5g, Cellphone Hacks, cellular network, cons, eSIM, gsm, sim card, technology | Leave a comment

Focus Stacking For Tiny Subjects

Focus stacking is a photographic technique in which multiple exposures are taken of a subject, with the focus distance set to different lengths. These images are then composited together to create a final image with a greater depth of field than is possible with a single exposure. [Peter Lin] built …read more

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Posted in camera, classic hacks, focus stacking, macro, microscopy | Leave a comment

Jeremy Cook is Living His Strandbeest Dream

The first thing Jeremy Cook thought when he saw a video of Theo Jansen’s Strandbeest walking across the beach was how incredible the machine looked. His second thought was that there was no way he’d ever be able to build something like that himself. It’s a feeling that most of …read more

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Posted in 2019 Hackaday Superconference, ClearWalker, cons, iterative design, robot walker, robots hacks, strandbeest | Leave a comment

Linux Fu: Leaning Down with exec

Shell scripting is handy and with a shell like bash it is very capable, too. However, shell scripting isn’t always very efficient. Think about it. If you run grep or tr or sort to do some operation in a shell script, you are spawning a whole new process. That takes …read more

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Posted in bash, exec, Hackaday Columns, linux, Linux Fu, linux hacks, shell scripting, Skills | Leave a comment

The Smart Home Gains An Extra Dimension

With an ever-growing range of smart-home products available, all with their own hubs, protocols, and APIs, we see a lot of DIY projects (and commercial offerings too) which aim to provide a “single universal interface” to different devices and services. Usually, these projects allow you to control your home using …read more

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Posted in 3d, blender, browser, gltf, home automation, home hacks, hue, live, smart home, software hacks, three.js, webapp | Leave a comment

Hackaday Links: December 29, 2019

The retrocomputing crowd will go to great lengths to recreate the computers of yesteryear, and no matter which species of computer is being restored, getting it just right is a badge of honor in the community. The case and keyboard obviously playing a big part in that look, so when …read more

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Posted in ai, c64, Case mods, commodore, ERT, flex PCB, Hackaday Columns, Hackaday links, keycaps, kickstarter, machine learning, privacy, retrocomputing, RTL-SDR, rtlamr, security, spoofing, teardrop, YOLO | Leave a comment