So far in this brief series on in-band signaling, we looked at two of the common methods of providing control signals along with the main content of a transmission: DTMF for Touch-Tone dialing, and…

Low cost, long range, or low power — when it comes to wireless connectivity, historically you’ve only been able to pick two. But a group at the University of Washington appears to have …

The Mars Climate Orbiter was a spacecraft launched in the closing years of the 1990s, whose job was to have been to study the Martian atmosphere and serve as a communications relay point for a seri…

The Hackaday Prize is a challenge to create hardware, and the ZeroPhone is quite possibly the most popular project entered in the Hackaday Prize. What is it? It’s a mobile phone built around …

[Hanno Böck] recently uncovered a vulnerability in Apache webserver, affecting Apache HTTP Server 2.2.x through 2.2.34 and 2.4.x through 2.4.27. This bug only affects Apache servers with a certain …

When it comes to making music, there are really only a few ways to create the tones needed — pluck something, blow into something, or hit something. But where does that leave this dry-ice pow…

[Scott] created an LED candle in preparation for the big mac daddy storm (storms?) coming through.  Like millions of other people in Florida, he was stuck at home with his roommates when an oncomin…

In the category of first world problems, it seems that these days no one is happy with just a plain old soldering iron. Today, everyone wants a station with bells, whistles, and features. If all yo…

The ‘Gonk’ droids from the Star Wars universe are easy to overlook, but serve the important function of mobile power generators. Here on Earth, [bithead942]’s life-size replica dr…

[Irene Posch] is big into knitted fabric circuits. And while most of the textile circuits that we’ve seen are content with simply conducting enough juice to light an LED, [Irene]’s sigh…

The other day I saw a plastic part that was so beautiful that I had to look twice to realize it hadn’t been cast — and no, it didn’t come out of a Stratysys or anything, just a 3D…

We’re excited to announce the next batch of speakers for the 2017 Hackaday Superconference. We are especially pleased to welcome Michael Ossmann as a speaker. He presented an RF design worksh…

If you ever watch a spy movie, you’ve doubtlessly seen some nameless tech character sweep a room for bugs using some kind of detector and either declare it clean or find the hidden microphone…

Electromechanical braille displays, where little pins pop up or drop down to represent various characters, can cost upwards of a thousand dollars. That’s where the Modular Low-cost Braille El…

In the future, drones will fill the skies. The world is abuzz (ha!) with news of innovative uses of unmanned aerial vehicles. Soon, our flying robotic overlords will be used for rescue operations, …

If you possess modest technical abilities and the patience of a few dozen monks, with some skillful haggling you can land yourself some terrific bargains by salvaging and repairing. This is already…

A recent convert to the ways of the laser cutter, redditor [i-made-a-thing] was in want of a project and — stumbling on some waterways maps on Etsy — launched into fabricating an illumi…

Want a little heads-up before walking into a potentially dangerous radioactive area? Sure, we all do. But the typical surplus Civil Defense Geiger counter is just too bulky to fit into the sleek, m…

When your publication is about to hold a major event on your side of the world, and there will be a bring-a-hack, you abruptly realise that you have to do just that. Bring a hack. With the Hackaday…

Odds are that if you’ve been to the beach or gone camping or somewhere in between, you are familiar with inflatable products like air mattresses. It’s nothing spectacular to see a recta…