Software defined radios are getting better and better all the time. The balaclava-wearing hackers know it, too. From what we saw at HOPE in New York a few weeks ago, we’re just months away fr…

I wanted to point out a tool that I often use, but rarely see on other people’s workbenches: thermal strippers. They aren’t cheap, but once you’ve used them, it is hard to go back…

"Round up the usual suspects..."

[CNLohr] just can't get enough of the ESP8266 these days -- now he's working on getting a version of V-USB software low-speed USB device emulation working on the th...

When I start up a new project, one that’s going to be worth writing up later on, I find it’s useful to get myself into the right mindset. I’m not a big planner like some people ar…

It doesn’t matter how many bits your password has, how proven your encryption is, or how many TrueCrypt volumes are on your computer. If someone wants data off your device, they can get it if…

Some people really enjoy the kind of computer mouse that would not be entirely out of place in a F-16 cockpit. The kind of mouse that can launch a browser with the gentle shifting of one of its thi…

Sometimes, a simple fix is the best solution. Lacking extra funds for a proper remote-controlled gate-opener after the recent purchase of their farm, redditor [amaurer3210] built one as a birthday …

Computational Fluid Dynamics, or CFD, and is applied to everything from aircraft design to how good of a wing a new skyscraper will be. Of course, the science of building airfoils is much older than C...

[gocivici] threatened us with a tutorial on positional astronomy when we started reading his tutorial on a Arduino Powered Star Pointer and he delivered. We’d pick him to help us take the One…

“Which came first, the chicken or the egg?” Don’t bother us with stupid questions, they both co-evolved into the forms that we now serve up in tasty sandwiches or omelets, respect…

Othermachine Co. is not a big company. Their flagship product, the Othermill, is made in small, careful batches. As we've seen with other small hardware companies, the manufacturing process can make o...

While most of us stick to electronics around here, the few and the proud can also manage to stick to walls and ceilings. [Jen] is among these folk with the beginnings of a pair of magnetic boots that...

DEF CON has become known for the creative electronic badges, and now we get to see a variety of them dangling from lanyards every year. This year, the Queercon badge stood out as the one that got t…

[Joekutz] wanted to re-build an audio-rate function generator project that he found over on Instructables. By itself, the project is very simple: it's an 8-bit resistor-ladder DAC, a nice enclosure, a...

There is an artistic technique known as stippling where an artist creates a picture using small dots of ink or paint. The result is almost like using a dot matrix printer at low resolution. [Paul Kry]...

An ophthalmoscope is a device used to examine the back of the eye. This is useful for diagnosing everything from glaucoma, diabetic retinopathy, to detecting brain tumors. As you would expect from any...

One of the installations that consistently drew a large crowd after dark at EMF Camp 2016 was a game. This wasn’t a conventional computer game though, instead it was a line of gas jets along …

We weren't certain if this Star Wars fan film was out kind of thing until we saw the making of video afterwards. They wanted to film a traditional scene in a new way. The idea was to take some reall...

In part one, I compared the different Analog to Digital Converters (ADC) and the roles and properties of Delta Sigma ADC’s. I covered a lot of the theory behind these devices, so in this inst…

The once successful Kickstarter and National Science Foundation (NSF) research grant winner Electroloom is saying "Thanks and Farewell" to its backers, supporters, and sponsors. The startup ran out of...