Hackaday.com

Generally semiconductor devices like transistors have fixed properties, but using an azobenzene (Azo) compound it’s possible to optically alter these properties by exposing them to UV light. This is demonstrated …read more

There are so many things we approximate to make life simple. Wires, for example, have no resistance or other strange effects. Crystal oscillators output their exact frequency. But surely our …read more

The concertina is an instrument that features heavily in European folk music, of which there are a variety of types. [Xcott Craver] has built one, an anglo concertina of the …read more

If you’ve used MicroPython much, you know that debugging usually amounts to printing a few things out, trying your code out, and then repeating. But [ghi-electronics] wants you to have …read more

In 1982, desktop computers were coming into their own, and no clear leaders had emerged. But everyone knew they wanted a piece of the action. This led to, among other …read more

In the cross-over between the era of tapes into that of MP3s, you’d see quite a few of those special cassette tapes that were actually digital music players inside. Some …read more

Before moving to land grid array (LGA) packaging whereby each pin on the substrate is just a copper pad, processors commonly used pin grid array (PGA) packaging, including the still …read more

This week, Hackaday Editors Elliot Williams and Tom Nardi start the episode off by discussing the latest CircuitPython developments before covering some impressive reverse engineering efforts, the benefits of modeling …read more

We aren’t sure we subscribe to [Upside Down Labs] description that their Neuro PlayGround Lite (NPG Lite) actually constitutes brain control in the science fiction sense. However, the package can …read more

Leak site Distributed Denial of Secrets has released a dump of the filesystems of a Flock camera, and Micah Lee has published a dive into the contents.  Apparently the Flock …read more

The Meta Portal and associated devices are effectively defunct, having been abandoned by the company in 2022. If you’ve still got one at home, you might be wondering what to …read more

It’s not often we see a tube project here, so [Helge Fykse]’s PCL86 transceiver is a welcome find. If you know anything about the European Pro-Electron device naming system you’ll …read more

If you want to do certain types of lab work with blood, you’ll need a centrifuge. It’s often possible to find serviceable units on the used market, but they may …read more

Surveillance cameras from Flock Safety have become a controversial privacy battleground, as the communities in which they are installed wake up to their sinister potential, and stories roll in of …read more

The Cheap Yellow Display is an all-in-one ESP32 board with a touchscreen, that’s as the name suggests, cheap. It’s appeared in a great many projects since it emerged from the …read more

With an El Niño event in full swing those of us in the northern hemisphere have just had a roasting hot summer, and those in the southern are about to …read more

With the Earth’s atmosphere being effectively just a less dense fluid than the oceans around us, it’s reasonable to ask why we got wind turbines and wind mills quite literally …read more

Head out to your next corporate conference, and you’ll probably be handed a little paper badge in a plastic holder so people can learn what to call you (or whether …read more

Although everyone has their own reasons for exploring a new hobby, one of the driving factors behind the popularity of Meshtastic and MeshCore has been the incredible accessibility offered by …read more

[Bucket Mouse] has long been a fan of the various iterations of the Nintendo Game Boy. Now, he’s turned his eye to the Game Boy Advance, building an enhanced version …read more