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 2018-06-20 02:00 

Hackaday

Calm Down: It's Only Assembly Language...

Based on [Ben Jojo's] title -- x86 Assembly Doesn't have to be Scary -- we assume that normal programmers fear assembly. Most hackers don't mind it, but we also don't often have an excuse to program a......

 2018-06-19 23:00 

Hackaday

Refurbishing A DEC 340 Monitor...

Back in the...

 2018-06-19 20:00 

Hackaday

Laser Cutter Turns Scrapped To Shipped...

We'll go way out on a limb here and say you've probably got a ridiculous amount of flattened cardboard boxes. We're buying more stuff online than ever before, and all those boxes really start to add u......

 2018-06-19 18:30 

Hackaday

Printing Strain Wave Gears...

We just wrapped up the Robotics Module Challenge portion of the Hackaday Prize, and if there's one thing robots need to do, it's move. This usually means some sort of motor, but you'll probably want a......

 2018-06-19 17:01 

Hackaday

Federico Faggin: The Real Silicon Man...

While doing research for our articles about inventing the integrated circuit, the calculator, and the microprocessor, one name kept popping which was new to me, Federico Faggin. Yet this was a name I......

 2018-06-19 15:30 

Hackaday

Lawn From Hell Saved by Mower From Heaven...

It's that time of year again, at least in the northern hemisphere. Everything is alive and growing, especially that narrow-leafed non-commodity that so many of us farm without tangible reward. [sonofd......

 2018-06-19 14:01 

Hackaday

What is Our Martian Quarantine Protocol?...

If you somehow haven't read or watched War of the Worlds, here's a spoiler alert. The Martians are brought down by the common cold. You can argue if alien biology would be susceptible to human pathoge......

 2018-06-19 11:00 

Hackaday

An Arduino Powered Tank Built To Pull Planes...

Surely our readers are well aware of all the downsides of owning an airplane. Certainly the cost of fuel is a big one. Birds are a problem, probably. That bill from the traveling propeller sharpener i......

 2018-06-19 08:00 

Hackaday

Tables are Turned as Robots Assemble IKEA Furniture...

Hackaday pages are rife with examples of robots being built with furniture parts. In this example, the tables are turned and robots are the masters of IKEA pieces. We are not silly enough to assume th......

 2018-06-19 05:00 

Hackaday

Hybrid Lab Power Supply From Broken Audio Amp...

The lab power supply is an essential part of any respectable electronics workbench. However, the cost of buying a unit that has all the features required can be eye-wateringly high for such a seemingl......

 2018-06-19 02:00 

Hackaday

The Colpitts Oscillator Explained...

The Colpitts oscillator is a time-tested design -- from 1918. [The Offset Volt] has a few videos covering the design of these circuits including an op-amp and a transistor version. You can find the vi......

 2018-06-18 23:01 

Hackaday

Raytheon's Analog Read-Only Memory is Tube-Based...

There are many ways of storing data in a computer's memory, and not all of them allow the computer to write to it. For older equipment, this was often a physical limitation to the hardware itself. It'......

 2018-06-18 20:00 

Hackaday

Arduino Watchdog Sniffs Out Hot 3D Printers...

We know we've told you this already, but you should really keep a close eye on your 3D printer. The cheaper import machines are starting to display a worrying tendency to go up in flames, either due t......

 2018-06-18 17:01 

Hackaday

Buttery Smooth Fades with the Power of HSV...

In firmware-land we usually refer to colors using RGB. This is intuitively pleasing with a little background on color theory and an understanding of how multicolor LEDs work. Most of the colorful LEDs......

 2018-06-18 15:31 

Hackaday

Watch The World Spin With The Earth Clock...

With the June solstice right around the corner, it's a perfect time to witness first hand the effects of Earth's axial tilt on the day's length above and beyond 60 degrees latitude. But if you can't m......

 2018-06-18 14:01 

Hackaday

Fatalities vs False Positives: The Lessons from the Tesla and Uber Crashes...

In one bad week in March, two people were indirectly killed by automated driving systems. A Tesla vehicle drove into a barrier, killing its driver, and an Uber vehicle hit and killed a pedestrian cros......

 2018-06-18 11:01 

Hackaday

Opening A Ford With A Robot and the De Bruijn Sequence...

The Ford Securicode, or the keyless-entry keypad available on all models of Ford cars and trucks, first appeared on the 1980 Thunderbird. Even though it's most commonly seen on the higher-end models, ......

 2018-06-18 08:01 

Hackaday

Dissecting the Elusive Wax Motor...

We'd wager most readers aren't intimately acquainted with wax motors. In fact, a good deal of you have probably never heard of them, let alone used one in a project. Which isn't exactly surprising, as......

 2018-06-18 05:00 

Hackaday

Searchable KiCad Component Database Makes Finding Parts A Breeze...

KiCad, the open source EDA software, is popular with Hackaday readers and the hardware community as a whole. But it is not immune from the most common bane of EDA tools. Managing your library of symbo......

 2018-06-18 02:01 

Hackaday

Learn Six Oscilloscope Measurements with One Arduino...

We won't mention names, but we are always dismayed to see people twist knobs randomly on a scope until it shows a good picture. These days, there's the dreaded auto button, too, which is nearly as bad......

 2018-06-17 23:00 

Hackaday

Hackaday Links: June 17, 2018...

Do you like badges? Of course you like badges. It's conference season, and that means it's also badge season. Well good news, Tindie now has a 'badge' category. Right now, it's loaded up with creepy K......

 2018-06-17 20:00 

Hackaday

Using IMUs For Odometry...

The future is autonomous robots. Whether that means electric cars with rebranded adaptive cruise control, or delivery robots that are actually just remote control cars, the robots of the future will n......

 2018-06-17 17:00 

Hackaday

Retrotechtacular: Car Navigation Like It's 1971...

Anyone old enough to have driven before the GPS era probably wonders, as we do, how anyone ever found anything. Navigation back then meant outdated paper maps, long detours because of missed turns, an......

 2018-06-17 14:01 

Hackaday

FPV-Rover 2.0 Has 3D Printed Treads and Plenty of Zip...

[Markus_p] has already finished one really successful 3D printed tracked robot build. Now he's finished a second one using standard motors and incorporating what he learned from the first. The results......

 2018-06-17 11:01 

Hackaday

Cheap Front Panels with Dibond Aluminium...

The production capability available to the individual hacker today is really quite incredible. Even a low-end laser engraver can etch your PCBs, and it doesn't take a top of the line 3D printer to kno......

 2018-06-17 08:01 

Hackaday

Frozen Rat Kidney Shipping Container...

The biggest allure of 3D printing, to us at least, is the ability to make hyper-personalized objects that would otherwise fall through the cracks of our mass-market economy. Take, for instance, the Fr......

 2018-06-17 05:00 

Hackaday

DIY Coil Winding Machine Counts The Hacky Way...
 2018-06-17 02:01 

Hackaday

3D Printer Tech Cuts Paper...

While 3D printing has been a great thing all by itself, it has also made electromechanical hardware a commodity item. Instead of raiding an old printer for motors and rods of unknown provenance, you c......

 2018-06-16 23:00 

Hackaday

Definitely-Not-Neopixel Rings, From Scratch!...

The WS2812 addressable LED is a marvellous component. Any colour light you want, all under the control of your favourite microcontroller, and daisy-chainable to your heart's content. Unsurprisingly th......

 2018-06-16 20:00 

Hackaday

A 3D-Printed Robot Actuator...

Somehow, walking robots at our level never really seem to deliver on the promise that should be delivered by all those legs. Articulation using hobby servos is simple enough to achieve, but cumbersome......

 2018-06-16 17:01 

Hackaday

Building An Ultralight In A Basement is Just So Beautiful to See...

[Peter] is at it again. Not content with being one of the best RC confabulators on YouTube, and certainly not content with the first airplane he built in his basement, [Peter Sripol] is building anot......

 2018-06-16 14:00 

Hackaday

Delta Printer Morphs into CNC Flat Coil Winder...

Anyone who has ever wound a coil by hand has probably idly wondered...

 2018-06-16 11:00 

Hackaday

Titanium Knob Doesn't Grind Our Gears...

Manual transmissions! Those blessed things that car enthusiasts swear by and everyone else pretends no longer exists. They're usually shifted by using the gearstick, mounted in the centre console of t......

 2018-06-16 08:00 

Hackaday

Portable Ham Radio Design Fosters Experiments...

[Charlie Morris] has been busy building a portable ham radio rig and documenting his progress in a series of videos. You can see the first one below. There's four parts (more if you count things like ......

 2018-06-16 05:00 

Hackaday

MRI to 3D Print Gets Much Faster...

A surprising use of 3D printing has been in creating life-like models of human body parts using MRI or CT scans. Surgeons and other medical professionals can use models to plan procedures or assist in......

 2018-06-16 02:00 

Hackaday

Changing Color Under Pressure...

When you saw the picture for this article, did you think of a peacock's feather? These fibers are not harvested from birds, and in fact, the colors come from transparent rubber. As with peacock feathe......

 2018-06-15 23:00 

Hackaday

Homebrew Calibration For Test Equipment...

If you work for a large company, you probably have test equipment that is routinely calibrated. Some companies have their own metrology labs and others send out to an external lab. In a garage lab, yo......

 2018-06-15 20:00 

Hackaday

Making Electronics Just Got 25% More Expensive In The US...

As reported by the BBC, the United States is set to impose a 25% tariff on over 800 categories of Chinese goods. The tariffs are due to come into effect in three weeks, on July 6th. Thousands of diffe......

 2018-06-15 18:30 

Hackaday

Two Awesome Ender's Achievements...

The Hackaday Prize is all about empowering you with the tools you need to create the next great hardware device. To that end, we've set up seed funding for your projects, we've given you a project ho......

 2018-06-15 17:01 

Hackaday

Books You Should Read: Sunburst and Luminary, an Apollo Memoir...

The most computationally intense part of an Apollo mission was the moon landing itself, requiring both real-time control and navigation of the Lunar Module (LM) through a sequence of programs known as......

 2018-06-15 15:30 

Hackaday

Smoothing PLA with Two Paints...

There was a time when most 3D printers used ABS plastic. It stinks, is probably bad for you, and tends to warp unless printed in a heated enclosure. So most people have gone to something else, mostly ......

 2018-06-15 14:01 

Hackaday

Retrotechtacular: Voice Controlled Robot from 1961...

We like to think that all these new voice-controlled gadgets like our cell phones, Google Home, Amazon Echo, and all that is the pinnacle of new technology. Enabled by the latest deep learning algorit......

 2018-06-15 11:00 

Hackaday

Silicon Bugs In The FTDI FT232R, And A Tidy RF VCO Project...

[Scott Harden] wrote in to tell us of some success he's having using the FT232 chip to speak SPI directly from his laptop to a AD98850 digital signal generator. At least that was his destination. But ......

 2018-06-15 08:00 

Hackaday

Move Over Aluminum: Cast Iron for the Home Foundry...

When it comes to choice of metals that can be melted in the home foundry, it's a little like [Henry Ford]'s famous quip: you can melt any metal you want, as long as it's aluminum. Not that there's any......

 2018-06-15 05:00 

Hackaday

Blinging Up A Scope: Scale Your Divisions In Style...

When a hacker owns an oscilloscope, it's more than a possession. Weary nights are spent staring at the display, frantically twiddling the dials to coax out vital information. Over time, a bond is form......

 2018-06-15 02:00 

Hackaday

A Crash Course In Reliable Communication...

It's probably fair to say that anyone reading these words understands conceptually how physically connected devices communicate with each other. In the most basic configuration, one wire establishes a......

 2018-06-14 23:00 

Hackaday

Making Robot Snakes That Slither, Sidewind, And Strike...

[Will Donaldson] has been making robot snakes of all sorts. One of his snakes hugs the ground, slithering across it with a sine wave motion. Flipping it on its side and calling different code, that sa......

 2018-06-14 20:00 

Hackaday

Espresso Machine From Motorbike Engine Parts...

[Rulof Maker] is a master at making things from salvaged parts, and being an Italian lover of espresso coffee, this time he's made an espresso machine. The parts in question are a piston and cylinder......

 2018-06-14 18:30 

Hackaday

Folding Robots With Special Materials...

When it comes to robots, we usually see some aluminum extrusion, laser-cut parts, maybe some 3D printed parts, and possibly a few Erector sets confabulated into a robot arm. This entry for the Hackada......

 2018-06-14 17:01 

Hackaday

General Purpose I/O: How to get more...

The first program anyone writes for a microcontroller is the blinking LED which involves toggling a general-purpose input/output (GPIO) on and off. Consequently, the same GPIO can be used to read digi......

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