Hackaday.com

If you read Japanese, you might have seen the book “Design and Implementation of Microkernels” by [Seiya Nuda]. An appendix covers how to write your own operating system for RISC-V …read more

Much has been written about the demise of physical media. Long considered the measure of technological progress in audiovisual and computing fields, the 2000s saw this metric seemingly rendered obsolete …read more

Nobody likes reading the fine print, least of all when you’re just downloading some 3D model. While printing a copy for personal use this is rarely an issue, things can …read more

There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in …read more

Many of us used “big iron” back in the day. Computers like the IBM S/360 or 3090 are hard to find, transport, and operate, so you don’t see many retrocomputer …read more

Different cultures have their own conventions for naming locations, for example in the United Kingdom there are plenty of places named for monarchs, while in many other countries there are …read more

[Stephen Woodward] is familiar with digital potentiometers but is also familiar with their limitations. That spurred him to create the PWMPot which performs a similar function, but with better features …read more

If you’ve owned a CD player or other piece of consumer digital audio gear manufactured since the 1980s, the chances are it has a TOSLINK port on the back. This …read more

This week, Jonathan Bennett and Randal chat with Matija Šuklje about Open Source and the Law! How do Open Source projects handle liability, what should a Contributor License Agreement (CLA) …read more

There are many AI models out there that you can play with from companies like OpenAI, Google, and a host of others. But when you use them, you get the …read more

You probably get a few of these things each week in the mail. And some of them actually do a good job of obscuring the contents inside, even if you …read more

Modern remote control (RC) radios are capable of incredible range, but they’re still only made for line-of-sight use. What if you want to control a vehicle that’s 100s of kilometers …read more

How do you know that your patch cables are good? For simple jumper wires, a multimeter is about all you need to know for sure. But things can get weird …read more

Face it, we’ve all been there, in a crowded workshop building something, and horror of horrors, things are going to get a little… windy. Do you try to drop it …read more

[Nicholas Carlini] found some extra time on his hands over the holiday, so he decide to do something with “entirely no purpose.” The result: 84,688 regular expressions that can play …read more

Imagine a clock where the colors aren’t from LEDs but a physics phenomenon – polarization. That’s just what [Mosivers], a physicist and electronics enthusiast, has done with the Polarizer Clock. …read more

Want to see some wildly skillful LEGO construction? Check out [Banana Gear Studios]’ omni-directional treadmill which showcases not only how such a thing works, but demonstrates some pretty impressive problem …read more

We always enjoy videos from the [Mathologer], but we especially liked the recent video on the Helicone, a toy with a surprising connection to mathematics. The toy is cool all …read more

Forty years ago, on the night of Sunday 2 December of 1984, people in the city of Bhopal and surrounding communities were settling in for what seemed like yet another …read more

The Cheap Yellow Display (CYD) is an ESP32 development board that’s been making the rounds for a while now, thanks to its value and versatility. For around $10 USD, you …read more