Clik here to view.
Laser Toy Keeps Cats Entertained
Cats are among the most popular domesticated creatures, and their penchant for chasing laser pointers is well known. With a pair of felines of his own to look after, [Tobi] set about making a device...
View ArticleClik here to view.
Collapse OS, An OS For When The Unthinkable Happens
Decades of post-apocalyptic Hollywood movies have taught us that once all the trappings of our civilisation have been stripped away, it’s going to be kinda cool. We’re all going to wear slightly dusty...
View ArticleClik here to view.
Proprietary Fan Blows, Gets PWM Upgrade
Proprietary components are the bane of anyone who dares to try and repair their own hardware. Nonstandard sizes, lack of labeling or documentation, and unavailable spare parts are all par for the...
View ArticleClik here to view.
Turntable Spins Color And Sound Together
If you can’t grow your own synesthesia, buying electronics to do it for you is fine. Such is the case with the CHROMATIC by [Xavier Gazon], an artist who turns all kinds of electronics into...
View ArticleClik here to view.
Restoring a Rusty Rebar Cutter
We’ve all probably come across hunks of junk that used to be tools, long-neglected and chemically welded into a useless mass of solid rust. Such items are available for a pittance at the local flea...
View ArticleClik here to view.
Reverse Engineering A Two-Wire Intercom
There was a time when an intercom was simply a pair of boxes with speakers joined by a couple of wires, with an audio amplifier somewhere in the mix. But intercoms have like everything else joined the...
View ArticleClik here to view.
A Dancing Cowboy Nixie Tube
If there were four words you never expected to hear in sequence, they would probably be “Dancing cowboy Nixie tube”. But that’s just what [Glasslinger] has made, and it’s exactly what it sounds like –...
View ArticleClik here to view.
Drop in Motor Converts Car to EV
With the latest craze of electric vehicles, it might be tempting to take an old project car and convert it from gas to electric. On the surface, it sounds simple, but the reality is there are a number...
View ArticleClik here to view.
Solenoid Engine Adds Three “Pistons”
The earliest piston engines typically had only one cylinder, and at best, produced horsepower measured in single digits. But once you have a working engine, it’s a relatively short step to adding...
View ArticleClik here to view.
SatNOGS Update Hack Chat
Join us on Wednesday, October 30 at noon Pacific for the SatNOGS Update Hack Chat with Pierros Papadeas and the SatNOGS team! Ever since the early days of the Space Race, people have been fascinated...
View ArticleClik here to view.
The Young Engineers Guide To Career Planning
It’s often said that engineers aren’t born, they’re made. Or more accurately, taught, tested, and accredited by universities. If you’re in high school, you’re probably starting to think about potential...
View ArticleClik here to view.
Sixi 2, An Open Source 3D Printable 6 Axis Robot Arm
[Dan Royer] is taking some inspiration from Prusa’s business and is trying to build the same sort of enterprise around open source 3D printable robot arms. His 6 axis robot arm is certainly a strong...
View ArticleClik here to view.
Check Your Halloween Candy For Malicious Payloads
There’s long been much handwringing around Halloween around the prospect of pins, needles and razor blades being hidden in candy and passed out to children. On the very rare occasion this does happen,...
View ArticleClik here to view.
The Basics of Persistence of Vision Projects
Persistence of Vision (POV) is a curious part of the human visual system. It’s the effect by which the perception of an image lingers after light has stopped entering the eye. It’s why a spinning...
View ArticleClik here to view.
Peep These Ultra-Real 3D-Printed Eyeballs
For humans, life is in the eyes. Same deal with automatons. The more realistic the eyes, the more lifelike (and potentially disturbing) the automaton is. [lkkalebob] knows this. [lkkalebob] is so...
View ArticleClik here to view.
Josephine Peary, First Lady of the Arctic
In the late nineteenth century, there was only one Earthly frontier left to discover: the North Pole. Many men had died or gone insane trying to reach 90°N, which, unlike the solidly continental South...
View ArticleClik here to view.
A CNC Designed Hacked Together In Pajamas
Sometimes you just gotta sit down and hack something together. Forget the CAD and the cool software toys; just hammer away until you have something working. That’s how [bobricus] ended up with this...
View ArticleClik here to view.
An ESP32 Clock With A Transforming LED Matrix
Over the years we’ve seen countless ways of displaying the current time, and judging by how many new clock projects that hit the tip line, it seems as though there’s no end in sight. Not that we’re...
View ArticleClik here to view.
5G is for Robots
Ecclesiastes 1:9 reads “What has been will be again, what has done will be done again; there is nothing new under the sun.” Or in other words, 5G is mostly marketing nonsense; like 4G, 3G, and 2G was...
View ArticleClik here to view.
Brachiograph: A Simple And Cheap Pen-Plotter
The BrachiGraph project consists out of two parts, the hardware design for a servo-driven drawing arm (pen plotter) and software utilities (written in Python) that allow the drawing arm’s servos to be...
View Article