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An endless source of amusement for those of advancing years can come from handing a rotary phone to a teenager and asking them to dial a number with it. It’s …read more

Some time over a decade ago, the arrival of inexpensive PCB fabrication revolutionised the creation of custom electronics on a budget. It’s now normal for even the smallest projects we …read more

Humans are not creatures well suited to cold environments. Without a large amount of effort to provide clothing, homes, and food to areas with substantial winters, very few of us …read more

Caveat emptor is good advice in general, but in the wilds of eBay, being careful with what you buy could be life-saving. To wit, we present [Les Wright]’s teardown and …read more

[Oscar] is no stranger to writing hard-to-read C code. While most of us do that by accident, there are those who strive to write the most unreadable code and enter …read more

Today, wireless-enabled microcontrollers are everywhere and can be had for just a few bucks. You can use them to build all kinds of connected projects more cheaply than ever before. …read more

[Abigail] is a confectionery roboticist, and [Hazal] is a developer advocate at a robotics company. The two met recently and decided to collaborate on a smart cake, with amusing results. …read more

There’s a lot to like about E-Ink displays, and you might be about to like them even more with [antirez]’s MicroPython driver for the Badger 2040 (or any display based …read more

Mattel had a ton of hit toys in the 20th century. In the early 1970s, the VertiBird was one of them, letting kids pretend to fly a helicopter in circles …read more

There was a time when test equipment was big and heavy. Those days are gone, and [Kiss Analog] shows us the inside of a Uni-T UTG962E arbitrary waveform generator. The …read more

Finding consumables is an ever-present problem facing anyone working with old computer hardware. Many of these devices ceased manufacture decades ago and what old stock remains is invariably degraded by …read more

I’m pretty good with time zones. After all, I live in Germany, Hackaday’s server is in Los Angeles, and our writers are scattered all over the globe. I’m always translating …read more

There are 0x10 ways to look at ROM programmers: they’re either relatively low-cost tools that let you quickly get about the business of programming vintage ROMs and get back to …read more

It’s a problem that faces every designer of an event badge: how to make something that won’t simply become a piece of e-waste once the last attendee has gone home. …read more

The Wico Boss joystick was one of the better designs of the 1980s. Yours truly had one, and put it through many brutal hours of Amiga-based gameplay. [Drygol] was recently …read more

While it might not seem like it to a novice, music turns out to be a highly mathematical endeavor with precise ratios between chords and notes as well as overall …read more

When using a manual machine tool such as a lathe or milling machine, there can be a lot of pressure to read the position and feed the axes at the …read more

The one-wheel is a triumph of modern sensor and control technology. That made it possible to sense the acceleration and position of a platform with a single wheel, and to …read more

Volume unit (VU) meters are cool — it’s an undeniable fact. For some reason, humans just dig lights that flash along with sounds. You can build a VU meter using …read more

No need to wonder what stories Hackaday Editors Elliot Williams and Al Williams were reading this week. They’ll tell you about them in this week’s podcast. The guys revisit the …read more