If you have an electronics bench, it follows that you will need some form of bench power supply. While many make do with fixed-voltage supplies it's safe to say that the most useful bench power suppli...

A few years ago, [patchartrand] decided to build a robot arm. The specs were simple: he needed a drive system that would be at least as strong as a human arm. After looking at motors, [patch] couldn't...

File systems are one of those things that typical end users don’t think much about. Apparently, [seaQueue] isn’t a typical end user. He’s posted some instructions on how to run an…

Cornell Students [Sean Carroll], [Gulnar Mirza], and [James Talmage] designed a realtime pitch shifter to run on their DE1-SoC and controlled by its ARM core.

The team's goals were to pitch-shif...

While regular Hackaday readers already know how to blink a LED with a microcontroller and have moved onto slightly more challenging projects such as solving the Navier-Stokes equations in 6502 asse…

Sometimes the end of a product’s production run is surrounded by publicity, a mix of a party atmosphere celebrating its impact either good or bad, and perhaps a tinge of regret at its passing…

The Arduino Wars officially ended last October, and the new Arduino-manufacturing company was registered in January 2017.  At the time, we were promised an Arduino Foundation that would care for th…

Working with CAD programs involves focusing on the task at hand and keyboard shortcuts can be very handy. Most software packages allow the user to customize these shortcuts but eventually, certain …

It’s a common sight in the farming areas of the world — a group of enterprising automotive hackers take a humble economy car, and saw the roof off, building a convertible the cheapest w…

Today we’re excited to announce the winners of the Internet of Useful Things phase of The Hackaday Prize. The future will be connected, and this is a challenge to build devices connected to the Int...

The history of PC gaming showers games such a Wolfenstein 3D and Doom with the honor of having the most advanced graphics of the day. Often overlooked is Microsoft Flight Simulator and earlier, pre…

[Jason Carlson]’s favorite game as kid was 1983’s Treasure of Tarmin by Intellivision, a maze game that eventually came to be called Minotaur. As an adult there was only one thing he could do: rem...

[Bob] wanted to build a pinball-drop-style resetting target that he could use while practicing with his pistol. His first idea was to make the targets sturdy enough for use with 9 mm ammunition, and ...

[9A4OV] set up a receiver using the HackRF board and an LNA that can receive the NOAA 19 satellite. Of course, a receiver needs an antenna, and he made one using a cooking pot. The antenna isn&#821…

Anyone who’s into retro aviation gear falls in love with those mysterious displays, dials, keypads, banks of knife switches. There’s a lot of sexy in those devices, built with high standards in a ...

[Stephen Cognetta] is trying to get the total number of things he owns down below 115, and he’s always looking for ways to streamline his life. Toward this goal he dissolved his SF Transit Clipper …

The Espressif ESP8266 chipset makes three-dollar ‘Internet of Things’ development boards an economic reality. According to the popular automatic firmware-building site nodeMCU-builds, in the last 6…

What do you get when you cross an ARM-based Linux PC and an RTL-SDR? Sounds like the start of a joke, but the answer is Outernet’s Dreamcatcher. It is a single PCB with an RTL-SDR software de…

My dad was scheduled for his first MRI scan the other day, and as the designated family technical expert, Pop had plenty of questions for me about what to expect. I told him everything I knew about…

The rabbit hole of features and clever hacks in [chiprobot]’s NEMA17 3D Printed Linear Actuator is pretty deep. Not only can it lift 2kg+ of mass easily, it is mostly 3D printed, and uses com…