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 2018-12-14 21:00 

Hackaday

Vintage Plotter Turned Fruit Spectrometer...

Fruit can be a tricky thing: if you buy it ripe you'll be racing against time to eat the pieces before they turn into a mushy mess, but if you buy the ones which are a bit before their prime it's not ......

 2018-12-14 19:30 

Hackaday

Arduino-Powered Rocket Test Stand...

If you're into amateur rocketry, you pretty quickly outgrow the dinky little Estes motors that they sell in the toy stores. Many hobbyists move on to building their own homebrew solid rocket motors an......

 2018-12-14 18:01 

Hackaday

Scott Swaaley On High Voltage...

If you were to invent a time machine and transport a typical hardware hacker of the 1970s into 2018 and sit them at a bench alongside their modern counterpart, you'd expect them to be faced with a pil......

 2018-12-14 16:30 

Hackaday

Dexterity Hand is a Configurable Prosthetic Hand...

One of the interesting benefits of the 3D printing revolution is the dramatic increase in availability of prosthetics for people with virtually any need. With a little bit of research, a 3D printer, a......

 2018-12-14 15:01 

Hackaday

Retrotechtacular: Remembering Radio Shack P-Box Kits...

If you are under a certain age, you probably associate Radio Shack with cellphones. While Radio Shack never gave us access to the variety and economy of parts we have today, they did have one thing th......

 2018-12-14 12:00 

Hackaday

Let's Look At Some Cool Old LEDs...

LEDs are now a mature technology, with all manner of colors and flavors available. However, back in the 1970s, it was early days for this fledgling display tech, and things looked very different. [IMS......

 2018-12-14 09:00 

Hackaday

Charge Your EV The Portable Way...

[Andrew Rossignol] has a slightly unusual plug-in hybrid vehicle, a Cadillac ELR, and his latest project for the car sees him building a battery-powered portable mains charging pack for it in an attem......

 2018-12-14 06:00 

Hackaday

Turn Old Pinball Parts Into A Unique Digital Clock...

It's getting ever harder to build a truly unique digital clock. From electronic displays to the flip-dots and flip-cards, everything seems to have been done to death. But this pinball scoring reel clo......

 2018-12-14 03:00 

Hackaday

A Cheat Sheet For Publishing Python Packages...

[Brendan Herger] was warned that the process of publishing a Python package would be challenging. He relishes a challenge, however, and so he went at it with gusto. The exhausting process led him to s......

 2018-12-14 00:00 

Hackaday

How To Make A Pilotron, The Forgotten Tube...

The vacuum tube is largely ignored in modern electronic design, save for a few audio applications such as guitar and headphone amps. The transistor is smaller, cheaper, and inordinately easier to manu......

 2018-12-13 21:00 

Hackaday

Every Computer Deserves a Rotary Encoder...

In the era of touch screens and capacitive buttons, we'd be lying if we said we didn't have the occasional pang of nostalgia for the good old days when interfacing with devices had a bit more heft t......

 2018-12-13 19:30 

Hackaday

The Battle Between Robot Harmonica And Machine Finger Rages On...

When asking the question...

 2018-12-13 18:01 

Hackaday

Jeremy Hong: Weaponizing the Radio Spectrum...

Jeremy Hong knows a secret or two about things you shouldn't do with radio frequency (RF), but he's not sharing.That seems an odd foundation upon which to build one's 2018 Hackaday Superconference......

 2018-12-13 16:30 

Hackaday

Tiny Art Etched into Silicon Wafers with Electron Beam Lithography...

Looks like [Sam Zeloof] got bored on his Thanksgiving break, and things got a little weird in his garage. Of course when your garage contains a scanning electron microscope, the definition of weird ca......

 2018-12-13 15:01 

Hackaday

RISC-V Will Stop Hackers Dead From Getting Into Your Computer...

The greatest hardware hacks of all time were simply the result of finding software keys in memory. The AACS encryption debacle -- the 09 F9 key that allowed us to decrypt HD DVDs -- was the result of......

 2018-12-13 12:00 

Hackaday

[Ben Krasnow] Builds a One-Component Interferometer...

When we think of physics experiments, we tend to envision cavernous rooms filled with things like optical benches, huge coils in vacuum chambers, and rack after rack of amplifiers and data acquisition......

 2018-12-13 09:00 

Hackaday

iCEBreaker, The Open Source Development Board for FPGAs...

The Hackaday Superconference is over, which is a shame, but one of the great things about our conference is the people who manage to trek out to Pasadena every year to show us all the cool stuff they'......

 2018-12-13 06:00 

Hackaday

Stovetop Milk Steamer Is Beautiful, Effective...

The Moka pot is an industrial design classic, hailing from Italy in the early part of the 20th century. To this day, it remains an excellent way to brew top quality coffee at home with affordable equi......

 2018-12-13 01:30 

Hackaday

Cyborg, Or Leafy Sensor Array?...

Some plants react quickly enough for our senses to notice, such as a Venus flytrap or mimosa pudica. Most of the time, we need time-lapse photography at a minimum to notice while more exotic sensors c......

 2018-12-12 22:30 

Hackaday

Intel Announces Faster Processor Patched for Meltdown and Spectre...

Intel just announced their new Sunny Cove Architecture that comes with a lot of new bells and whistles. The Intel processor line-up has been based off the Skylake architecture since 2015, so the new ......

 2018-12-12 21:00 

Hackaday

Electric Drift Trike Needs Water Cooling...

Electric vehicles of all types are quickly hitting the market as people realize how inexpensive they can be to operate compared to traditional modes of transportation. From cars and trucks, to smaller......

 2018-12-12 19:30 

Hackaday

Soft Rotating Pneumatic Actuators...

When we think of pneumatic actuators, we typically consider the standard varieties of pneumatic cylinder, capable of linear motion. These can be referred to as...

 2018-12-12 18:01 

Hackaday

How To Stay Grounded When You Have Zero Potential...

https://www.youtube.com/watch?v=HjWDSjSRsXkGround is an interesting topic when it comes to engineering. Either it's the reference level for a digital circuit (not necessarily at zero volts, either......

 2018-12-12 16:30 

Hackaday

My Oscilloscope Uses Fire...

If you want to visualize sound waves, you reach for your oscilloscope, right? That wasn't an option in 1905 so physicist [Heinrich Rubens] came up with another way involving flames. [Luke Guigliano] a......

 2018-12-12 15:01 

Hackaday

Warnings On Steroids Static Code Analysis Tools...

A little while back, we were talking about utilizing compiler warnings as first step to make our C code less error-prone and increase its general stability and quality. We know now that the C compiler......

 2018-12-12 12:00 

Hackaday

A Pi Cluster to Hang in Your Stocking with Care...

It's that time of year again, with the holidays fast approaching friends and family will be hounding you about what trinkets and shiny baubles they can pretend to surprise you with. Unfortunately ther......

 2018-12-12 09:00 

Hackaday

Toast Printer Prints Tasty Images And Weather Forecasts...

Electrical Engineering degrees usually focus on teaching you useful things, like how to make electronic devices that actually work and that won't kill you. But that doesn't mean that you can't have so......

 2018-12-12 06:00 

Hackaday

FPGA Hack Becomes An Atari Game Genie...

The Game Genie is a classic of the early 90s video game scene. It's how you would have beaten the Ninja Turtles game, and it's why the connector in your NES doesn't work as it should. They never made ......

 2018-12-12 03:00 

Hackaday

Improving Depth Of Field With Only 5 Phones...

The hottest new trend in photography is manipulating Depth of Field, or DOF. It's how you get those wonderful portraits with the subject in focus and the background ever so artfully blurred out. In ye......

 2018-12-12 00:01 

Hackaday

MakerBot Moves Away From Makers with New Printer...

If you've been following the desktop 3D printing market for the last couple years, you're probably aware of the major players right now. Chinese companies like Creality are dominating the entry level ......

 2018-12-11 21:00 

Hackaday

Open Hardware Board For Robust USB Power Monitoring...

We've all seen the little USB power meters that have become popular since nearly every portable device has adopted some variation of USB for charging. Placed between the power source and the device un......

 2018-12-11 19:30 

Hackaday

Modified F Clamp is Wheely Good...

Sometimes, a job is heavy, messy, or unwieldy, and having an extra pair of hands to help out makes the job more than twice as easy. However, help isn't always easy to find. Faced with this problem, [c......

 2018-12-11 18:00 

Hackaday

Julius Lilienfeld and the First Transistor...

Here's a fun exercise: take a list of the 20th century's inventions and innovations in electronics, communications, and computing. Make sure you include everything, especially the stuff we take for gr......

 2018-12-11 16:30 

Hackaday

Off Road Vehicle has Six Wheels and Fluid Power...

What has six wheels and runs on water? Azaris -- a new off-road vehicle prototype from Ferox. Azaris has a rocker suspension modeled after the one on the Mars rover. The problem is, linking four driv......

 2018-12-11 15:01 

Hackaday

ABS: Three Plastics in One...

It would be really hard to go through a typical day in the developed world without running across something made from ABS plastic. It's literally all over the place, from toothbrush handles to refrige......

 2018-12-11 12:00 

Hackaday

True Transparent Parts from a Desktop 3D Printer...

We're no strangers to seeing translucent 3D printed parts: if you print in a clear filament with thin enough walls you can sorta see through the resulting parts. It's not perfect, but if you're tryi......

 2018-12-11 09:00 

Hackaday

Biology Lab on Your Christmas List...

We hope you have been good this year because we have a list to start your own biology lab and not everything will fit into Santa's bag (of holding). If you need some last minute goodie points, Santa l......

 2018-12-11 06:00 

Hackaday

Interfacing Phillips Hue Lights With Everything...

The Internet of Things is eating the world alive, and we can't buy incandescent light bulbs anymore. This means the Internet is now in light bulbs, and with that comes some special powers. You can tur......

 2018-12-11 03:00 

Hackaday

Bootstrapping An MSDOS Assembler With Batch Files...

You have a clean MSDOS system, and you need to write some software for it. What do you do? You could use debug, of course. But there are no labels so while you can get machine code from mnemonics, you......

 2018-12-11 00:00 

Hackaday

Laptop Chargers Team Up To Get The Juice Flowing...

There's perhaps nothing harder to throw away than a good power supply. Whether it's the classic...

 2018-12-10 21:00 

Hackaday

Crawling PCB 'Bot Is Flexible Where It Counts...

20 years ago, PCB production was expensive and required a multitude of phone calls and emails to a fab with significant minimum order restrictions. Now, it's cheap and accessible online, which in addi......

 2018-12-10 19:30 

Hackaday

Mini Van De Graaff is a Shocking Desk Toy...

The Van De Graff generator is a device capable of generating potentially millions of volts of electricity which you can build in an afternoon, probably from parts you've got in the junk bin. This is ......

 2018-12-10 18:01 

Hackaday

The Space Station has a Supercomputer Stowaway...

The failed launch of Soyuz MS-10 on October 11th, 2018 was a notable event for a number of reasons: it was the first serious incident on a manned Soyuz rocket in 35 years, it was the the first time t......

 2018-12-10 16:30 

Hackaday

Dozens of Servos Flip the Segments of This 3D-Printed Digital Clock...

A digital clock based on seven-segment displays? Not exciting. A digital clock with seven-segment displays that's really big and can be read across a football field? That's a little more interesting. ......

 2018-12-10 15:01 

Hackaday

The Evolution of Wireless Game Controllers...

The story goes that Atari was developing a premium model of their popular home video game console, the Atari 2600, for the 1981 fiscal year. Internally known as the Stella RC, this model revision prom......

 2018-12-10 12:00 

Hackaday

PlayStation Classic Hacked Live on Stream...

When Sony announced they planned to release their own classic/mini/plug-n-play system this year, many fans were filled with excitement at the chance to relive countless classic games from the 90s. How......

 2018-12-10 09:00 

Hackaday

Hydrogen Powered Nerf Blaster Is Dangerously Awesome...

Nerf blasters have been around for decades now, exciting children and concerning parents alike. Most are powered by springs or compressed air, and are the ideal holiday toy for putting delicate family......

 2018-12-10 06:00 

Hackaday

From SPIDriver to I2CDriver...

Communicating with microcontrollers and other embedded systems requires a communications standard. SPI is a great one, and is commonly used, but it's not the only one available. There's also I2C which......

 2018-12-10 03:00 

Hackaday

Christmas POV Display Makes Viewer do the Work...

Hackaday readers have certainly seen more than a few persistence of vision (POV) displays at this point, which usually take the form of a spinning LED array which needs to run up to a certain speed be......

 2018-12-10 00:00 

Hackaday

Hackaday Links: December 9, 2018...

SpaceX launched a rocket this week, and things did not go as planned. The hydraulics on the grid fins were stuck when the first stage started its atmospheric recovery, and the booster became a fish. T......

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