NeoPixel Game Rewards Button Mashing
Who has the fastest thumbs at Maker Faire UK? That’s the question [wellsey1972] sought to answer when he created this simple game using little more than two NeoPixel rings, two chunky arcade buttons,...
View ArticleStepper Motor And Key Fob Controlled Strandbeest
We never tire of watching Strandbeests with their multitude of legs walking around, and especially enjoy the RC ones. [Jeremy Cook], prolific Strandbeest maker, just made one by motorizing and adding...
View ArticleA Vacuum Tube and Barbecue Lighter X-Ray Generator
A certain subset of readers will remember a time when common knowledge held that sitting too close to the TV put you in mortal peril. We were warned to stay at least six feet back to avoid the X-rays...
View ArticleBattery-Powered Watering Timer Converted to Solar on the Cheap
Watering the garden or the lawn is one of those springtime chores that is way more appealing early in the season than later. As the growing season grinds along, a chore that seemed life-giving and...
View ArticleSign of the Smith Chart Times
The Smith chart is a staple for analyzing complex impedance. [W2AEW] notes that a lot of inexpensive test gear like the MFJ-259B gives you complex readings, but fails to provide the sign of the...
View ArticleBuild Your Own Avionics Suite, If You Dare
If you’re really interested in aircraft and flying, there are many ways to explore that interest. There are models of a wide range of sizes and complexities that are powered and remote-controlled, and...
View Article3D Printing Air Quality Study
You’ll often hear about some study in the media and then — on examination — find it doesn’t really apply to your situation. Sure, substance X causes cancer in rats, but they ate 8 pounds of it a day...
View ArticleFlash Memory: Caveat Emptor
We all love new tech. Some of us love getting the bleeding edge, barely-on-the-market devices and some enjoy getting tech thirty years after the fact to revel in nostalgia. The similarity is that we...
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The Eric Lundgren Story: When Free isn’t Free
At this point, you’ve almost certainly heard the tale of Eric Lundgren, the electronics recycler who is now looking at spending 15 months in prison because he was duplicating freely available Windows...
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3D-Printing Saves Collectible Lures from a Fishy Ending
Give a man a fishing lure, and he catches fish until he loses the lure. Give a fisherman a 3D-printer, and he can print all the fishing lures he wants, especially replicas of those that are too...
View ArticleThis Weekend: Hackaday x Tindie Meetup At Bay Area Maker Faire.
Maker Faire Bay Area is this weekend, and the Hackaday and Tindie crew are getting ready to jack some cupcake cars. The Bay Area Maker Faire is one of the greatest gatherings of all the cool people we...
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The Electrical Outlet and How It Got That Way
Right now, if you happen to be in Noth America, chances are pretty good that there’s at least one little face staring at you. Look around and you’ll spy it, probably about 15 inches up from the floor...
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MoAgriS: A Modular Agriculture System
Hackaday.io user [Prof. Fartsparkle] aims to impress us again with MoAgriS, a stripped-down rig for bringing crops indoors and providing them with all they need. This project is an evolution of their...
View ArticleDIY Pi Zero Pentesting Tool Keeps it Cheap
It’s a story as old as time: hacker sees cool tool, hacker recoils in horror at the price of said tool, hacker builds their own version for a fraction of the price. It’s the kind of story that we love...
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Retro Computer Badge for Hackaday Belgrade Has Everything You Wished for Back...
The hardware badge for the Hackaday Belgrade conference is a Retro Computer that you wear around your neck. I have one in my hands and it’s truly a work of art. It’s beautiful, it’s fun to play with,...
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Direct CNC Control with the Raspberry Pi
If you’re building a CNC router, laser cutter, or even 3D printer, you’ll usually be looking at a dedicated controller. This board takes commands from a computer, often in the form of G-Code, and...
View ArticleRichard Feynman: A Life Of Curiosity And Science
It was World War II and scientists belonging to the Manhattan Project worked on calculations for the atomic bomb. Meanwhile, in one of the buildings, future Nobel Prize winning theoretical physicist...
View ArticleReflowduino: Put That Toaster Oven To Good Use
There are few scenes in life more moving than the moment the solder paste melts as the component slides smoothly into place. We’re willing to bet the only reason you don’t have a reflow oven is the...
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3D Printering: When an STL File is Not Quite Right
STL files are everywhere. When there’s something to 3D print, it’s probably going to be an STL. Which, as long as the model is good just as it is, is no trouble at all. But sooner or later there will...
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Welcome to the Internet of Hamsters
It was only a matter of time. Everything else is getting its data logged and reported to the Internet for detailed analysis, so why should our rodents be any different? The cover story is that [Nicole...
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