You’d think pool should be an easy game for a robot to play, right? It’s all math — geometry to figure out the angles and basic physics to deal with how much force is needed to mo…

[JLaservideo] has created some cool high-voltage gloves and uploaded a video on YouTube showing you how to get your mitts on a pair of your own. Using some very simple parts, he manages to make some d...

We've always been a fans of wargames. Not the movie (well, also the movie) but I'm referring to hacking wargames. There are several formats but usually you have access to an initial shell account some...

Hydroponics is an effective way of growing plants indoors through the use of water medium and artificial lighting. It often involves having a system to raise and lower the water level around the pl…

When [FinnAndersen] found an old TV set by the side of the road, he did what any self-respecting DIY/gaming enthusiast would do: He took it apart and installed a Raspberry Pi 3 running RetroPie in it...

On the way to the mailbox, you might be expecting bills, birthday cards, perhaps a grocery store catalogue or two. [Steve] was like you, once – until an embedded computer showed up in the jun…

Git is one of those tools that is so simple to use, that you often don’t learn a lot of nuance to it. You wind up cloning a repository from the Internet and that’s about it. If you make…

It’s May, and you know what that means: we’re winding down from a worldwide celebration of the worker, pollen is everywhere, Hackaday readers in the southern hemisphere are somehow offe…

Poke around enough on AliExpress, Alibaba, and especially Taobao and you’ll come across some interesting things. The Long-CZ J8 is one of those. It’s just 2.67 inch long, and weighs just 0.63 ounce…

Electrospinning is the process of dispensing a polymer solution from a nozzle, then applying a very high voltage potential between the nozzle and a collector screen. The result is a very, very fine…

Hope springs eternal for Smell-O-Vision. [Niklas Roy] recently taught a workshop called Communication Devices at ÉCAL in Lausanne, Switzerland. Four of his Media & Interaction Design students bu...

If you want to get into electronics, it’s pretty straightforward: read up a little, buy a breadboard and some parts, and go to town. Getting into molecular biology as a hobby, however, presen…

It is easy to forget, but the Arduino does use C++. Typically, the C++ part is in the libraries and the framework and most people just tend to code their main programs using a C-style just using th…

No lab in almost any discipline was complete in the 70s and 80s without an X-Y plotter. The height of data acquisition chic, these simple devices were connected to almost anything that produced an …

We think of helping hands as those little alligator clips on a metal stand. They are cheap and fall over, so we tend to buy them and don't use them. However, if you are willing to put $35 or $40 into ...

Keyloggers are nasty little things that have the potential to steal the credit card numbers of you and everyone you care about. Usernames and passwords can be easily stolen this way, so they're a u...

Being a cop’s kid leaves you with a lot of vivid memories. My dad was a Connecticut State Trooper for over twenty years, and because of the small size of the state, he was essentially on duty…

Before there were samplers, romplers, Skrillex, FM synths, and all the other sounds that don’t fit into the trailer for the new Blade Runner movie, electronic music was simple. Voltage contro…

Last time I looked at a simple 16-bit RISC processor aimed at students. It needed a little help on documentation and had a missing file, but I managed to get it to simulate using a free online tool…

Stepper motors are a great solution for accurate motion control. You’ll see them on many 3D printer designs since they can precisely move each axis. Steppers find uses in many robotics projec…