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...

The WS2812 is an amazing piece of technology. 30 years ago, high brightness LEDs didn't even exist yet. Now, you can score RGB LEDs that even take all the hard work out of controlling and addressing t...

Electromechanical solenoids are pretty cool devices. Move some current through an electromagnet and you can push a load around or pull it. If you're MIT student [Lining Yao], you can use them to dance...

[Massimiliano Patacchiola] writes this handy guide on using a histogram intersection algorithm to identify different objects. In this case, lego superheroes. All you need to follow along are eyes, Py...

While it's often thought of as a criminal activity, there's actually a vibrant hobby community surrounding the art of lock picking. In the same way that white hat hackers try to break into information...

Google Maps is one of the modern wonders of the world. It is hard to remember how expensive it used to be to get high-quality aerial  images. Of course, you don't get to pick when they fly over a par...

Pioneer’s flagship AVIC line of in-car multimedia systems is compatible with both Android Auto and Apple Car Play, and offers all manner of multimedia features to the driver of today. What&#8…

(Bipolar Junction) Transistors versus MOSFETs: both have their obvious niches. FETs are great for relatively high power applications because they have such a low on-resistance, but transistors are …

If you have been a regular traveler on one of the world’s mass transit systems over the last few decades, you will have witnessed something of a technological revolution. Not necessarily in t…

On my way to this year’s Hackaday SuperConference I saw an article on EE Times about someone taking the $22 Lattice iCEstick and turning it into a logic analyzer complete with a Python app to displ…

Retro is new again, and everywhere you look you’ll find films, documentaries, and TV shows cashing in on the nostalgia of their target audience. There is one inaccuracy you’ll find with…

With more and more manufacturers moving to USB-C, it seems as though the trusty USB port is getting more and more entrenched. Not that that’s a bad thing, either; having a universal standard …

It’s the most wonderful time of the year! No, we’re not talking about the holiday season, although that certainly has its merits. What we mean is that it’s time for the final proj…

There are two kinds of people in the world (and, no, this isn't a binary joke). People who love the Arduino, and people who hate it. If you've ever tried to use a standard prototype board to mount on ...