Clik here to view.
A STM32F4 Based Arduino in the Feather Form Factor
[minh7a6] loves the Adafruit Feather, but sees some room for improvement. First is the matter of 5V tolerance. While just about everything is available in a 3.3v range these days, sometimes it’s just...
View ArticleClik here to view.
Winter is Coming, This Clock Will Let You Know When
For Game of Thrones fans, it’s an awkward time. The show has ended its run on HBO (not without a certain level of controversy), the planned prequel is still years away, and who knows when George R. R....
View ArticleClik here to view.
AMSAT CubeSat Simulator Hack Chat
Join us on Wednesday, December 4th at noon Pacific for the AMSAT CubeSat Simulator Hack Chat with Alan Johnston! For all the lip service the world’s governments pay to “space belonging to the people”,...
View ArticleClik here to view.
How To Get Into Cars – Choosing Your First Project Car
The automobile is a wonderous invention, perhaps one of the most transformative of the 20th century. They’re machines that often inspire an all-consuming passion, capturing the heart with sights,...
View ArticleClik here to view.
John McMaster Explains Crypto Ignition Phone Keys and How to Reproduce Them
When you’re a nation state, secure communications are key to protecting your sovereignty and keeping your best laid plans under wraps. For the USA, this requirement led to the development of a series...
View ArticleClik here to view.
Cooking A Turkey With 880 AA Batteries
Cooking a turkey right is serious business this time of year. With major holidays on the line, there’s no room for error – any mistake can leave guests disgruntled and starving. [Stephen Farnsworth]...
View ArticleClik here to view.
Electric Dreams Help Cows Survive The Desert Of The Real
Pictures of a cow wearing a pair of comically oversized virtual reality goggles recently spread like wildfire over social media, and even the major news outlets eventually picked it up. Why not? Nobody...
View ArticleClik here to view.
Testing Carbon Fibre Reinforced Filament By Building An Over-Engineered...
Advances in filaments for FDM 3D printers have come in leaps and bounds over the past few years, and carbon fibre (CF) reinforced filament is becoming a common sight. Robotics extraordinaire [James...
View ArticleClik here to view.
Jonas Salk, Virologist and Vaccination Vanguard
In the early 1950s, the only thing scarier than the threat of nuclear war was the annual return of polio — an easily-spread, incurable disease that causes nerve damage, paralysis, and sometimes death....
View ArticleClik here to view.
A Mini Vending Machine To Ramp Up Your Sales
A common sight in the world of hackerspaces is an old vending machine repurposed from hawking soda cans into a one-stop shop for Arduinos or other useful components. [Gabriel D’Espindula]’s mini...
View ArticleClik here to view.
Build Your Own Tools For More Power
Building something on your own usually carries with it certain benefits, such as being in full control over what it is you are building and what it will accomplish, as well as a sense of pride when...
View ArticleClik here to view.
[Ben Krasnow] Builds a Mass Spectrometer
One of the features that made Scientific American magazine great was a column called “The Amateur Scientist.” Every month, readers were treated to experiments that could be done at home, or some...
View ArticleClik here to view.
The Story of A Secret Underground Parisian Society
Deep in the heart of Paris, a series of underground tunnels snakes across the city. They cross into unkept public spaces from centuries ago that have since vanished from collective memory – abandoned...
View ArticleClik here to view.
Sara Adkins is Jamming Out with Machines
Asking machines to make music by themselves is kind of a strange notion. They’re machines, after all. They don’t feel happy or hurt, and as far as we know, they don’t long for the affections of other...
View ArticleClik here to view.
Start Your Day With The Mountain That Rises
Like many of us, [Zach Archer] enjoys the comfort of his darkened room so much that he has trouble getting up and facing the day. To make things a little easier for himself, he decided to put together...
View ArticleClik here to view.
Building An Engine With An A/C Compressor
Air conditioning compressors aren’t exactly a mainstay of the average hacker’s junk box. Typically, they’re either fitted to a car to do their original job, or they’re on the bench getting...
View ArticleClik here to view.
A STM32 Tonewheel Organ Without A Single Tonewheel
The one thing you might be surprised not to find in [Laurent]’s beautiful tonewheel organ build is any tonewheels at all. Tonewheels were an early way to produce electronic organ sounds: by spinning a...
View ArticleClik here to view.
Retrotechtacular: The Gyro-X
In the 1950s, American automobiles bloomed into curvaceous gas-guzzlers that congested the roads. The profiles coming out of Detroit began to deflate in the 1960s, but many bloat boats were still...
View ArticleClik here to view.
Don’t Forget The Baby!
It must be a common worry among parents, that they might forget their offspring and leave them in the car where they would succumb to excessive heat. So much so that [Matt Meerian] has produced an...
View ArticleClik here to view.
Automated Cat Feeder Leaves Little to Chance
We often like to say that if something is worth doing, then it’s worth overdoing. This automatic cat feeder built by [krizzli] is a perfect example of the principle. It packs in far more sensors and...
View Article