Last weekend was the Vintage Computer Festival East in Wall, New Jersey. While this yearly gathering of nerds nerding out on old computers might be a bit too obscure for some, there are always amazin...

When you have a microcontroller or other microcomputer on the bench in front of you and it lacks the familiar keyboard and display of a modern desktop computer, what do you do when you wish to prog…

[Rafael Scheel] a security consultant has found that hacking smart TVs takes nothing much more than an inexpensive DVB-T transmitter, The transmitter has to be in range of the target TV and some ma…

It sounds like a challenge from a [Martin Gardner] math puzzle from the Scientific American of days gone by: is it possible to build a three-dimensional wooden box with only two surfaces? It turns …

[Electroboom] always has some entertaining videos. He recently tried to run his Tesla coil in a vacuum. The video shows some interesting results, along with his usual bleeped out expletives as he d…

It's sad, when you think about it: a retired railroad telegraph operator, who probably once pounded out code at 40 words per minute, with a collection of vintage sounders silently gathering dust on a ...

It's not uncommon for hackers to have a particular delectation for unusual interior decoration. Maybe it's a Nixie tube clock, or a vacuum fluorescent display reading out the latest tweets from a fav...

At first glance, it looks eerily similar to Inspector Gadget’s Propeller Cap, except it’s a backpack. [Samm Sheperd] built a Propeller Backpack (video, embedded after the break) which s…

A couple of weeks back a report came out where [Tavis Ormandy], a widely known security researcher for Google Project-Zero, showed how it was possible to abuse Lastpass RPC commands and steal user …

While the rise of electronic cigarettes and vaping has led to many aggravated bystanders, an installation in Germany may have found a vapor of a different ilk. Rather than nicotine, this cloud of v…

In a recent post, I talked about using the “Blue Pill” STM32 module with the Arduino IDE. I’m not a big fan of the Arduino IDE, but I will admit it is simple to use which makes it…

The Internet of Things and Home Automation are the next big thing, even though we’ve had X10 switches and controllers for forty years. Why the sudden interest in home automation? Cheap microc…

If you've ever wanted to open up an IC to see what's inside it, you have a few options. The ceramic packages with a metal lid will succumb to a hobby knife. That's easy. The common epoxy packages are ...

There's building small computers -- like the Raspberry Pi -- and then there's building small computers -- like this Desktop Viewer from Star Trek.

[Monta Elkins] is using a Beetle for this project;...

[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life, but w…

Stirling engines are really cool machines, invented by Reverend Dr. Robert Stirling in 1816 to rival the steam engine, they are one of the most efficient engines ever conceived.  Building one is a …

There’s a big to-do going on right now in Germany over particulate-matter air pollution. Stuttgart, Germany’s “motor city” and one of Dante’s seven circles of Hell dur…

Is there room on Mars and Europa for cute robots? [NASA] -- collaborating with [UC Berkley] and [Distant Focus Corporation] -- have the answer: PUFFER, a robot inspired by origami.

PUFFER -- which ...

Reader [Jasper] writes in with glowing praise for the TFT_eSPI library for the ESP8266 and the various cheap 480×320 TFT displays (ILI9341, ILI9163, ST7735, S6D02A1, etc.) that support SPI mod…

Whether you're selling a product or just showing off your latest project, a photo turntable makes video shots a lot easier.  360° turntables allow the viewer to see every side of the object being ph...

The Hackaday Prize is in full swing, and that means we're starting to see all the builds a few select people have been saving up for the past few months. [yowhwui] has been working on a 3D printed ele...