Morse code, or CW, is a subject that divides the amateur radio community from top to bottom. For some it’s a faded anachronism, while for others it’s the purest form of the art. With it…

We’re not sure why [lujji] would want to hack ST’s ST-Link programmer firmware, but it’s definitely cool that he did, and his writeup is a great primer in hacking embedded devices…

Our first 3D printers only printed ABS and PLA plastic. Yeah, we heard about PVA for support structures, but no one could get them to stick. There was also polycarbonate, but you had to have an all me...

Do you have a car? Does that car have a manual transmission? Do you want to beautify your shifter knob, while simultaneously gaining mad street cred, yo? Well, you're in luck, because all of that can ...

[Tim]’s Dice10 is an exercise in minimalism. Building an electronic dice using an ATtiny10 with code that fits within 1kB is not too difficult. Charlieplexing the LED’s would have used …

First there were vinyl records, then came cassettes, CDs, those failed audio-on-DVD formats, and then downloads. To quote the band, [Bateleur], "you can't pay someone to take a CD these days." So how ...

You can make a lot of stuff out of paper, but a single-stroke engine model less than an inch across? That's a new one, courtesy of Russian hacker [Aliaksei Zholner], who built a quite remarkable model...

The early electronic synthesizers were huge machines, racks of electronic modules that filled entire rooms. Integration of electronics over time successively reduced them, first to the size of a la…

There was a time that the Commodore PET was the standard computer at North American schools. It’s all-in-one, rugged construction made it ideal for the education market and for some of us, th…

In the movie 2001: A Space Odyssey, HAL 9000 — the neurotic computer — had a birthday in 1992 (for some reason, in the book it is 1997). In the late 1960s, that date sounded impossibly …

We have a contest going on right now challenging you to do the most with 1 kB of data. If you want to get into this, here's how you do it for a dollar. Use the PIC12C508A. It's an 8-pin DIP, has 768 b...

If you ever watch the original Star Trek, Captain Kirk and crew spend a lot of time mapping new parts of the galaxy. In fact, at least one episode centered on them taking images of some new part of sp...

[Basti] was playing around with Artificial Neural Networks (ANNs), and decided that a lot of the “hello world” type programs just weren’t zingy enough to instill his love for the …

Any amateur radio operator who is living under a homeowner’s association, covenant, or has any other deed restriction on their property has a problem: antennas are ugly, and most HOAs outrigh…

[CNLohr] needs no introduction around these parts. He’s pulled off a few really epic hacks. Recently, he’s set his sights on writing a simple, easy to extend library to work with the HT…

Neon lights are that kind of nostalgic item that everybody seems to love. The neon lamp is a type of gas discharge lamp, they generate light when an electrical discharge travels through an ionized …

This little DIY 64×64 graphical printer by [Egor] is part pen plotter in design, somewhat dot matrix-ish in operation, and cleverly designed to use unmodified 9G servos. The project page is al…

My amateur radio journey began back in the mid-1970s. I was about 12 at the time, with an interest in electronics that baffled my parents. With little to guide me and fear for my life as I routinel…

Last week, the latest and greatest member of the Bluetooth family of wireless specifications was announced to the world: Bluetooth 5! What main changes are in store? Read the FAQ (PDF), or dig into th...

Noodle Feet is a robot -- an artistically designed robot -- that is a character from Sarah Petkus' webcomic Gravity Road. This webcomic explores a post-human universe inhabited by robots, and dives de...