It’s that excellent time of year in which one slowly comes to the realisation that the summer’s eagerly anticipated events are now no longer at some impossibly distant point in the futu…

Here's a puzzler for you: how do you securely send data from one airgapped computer to another? Sending it over a network is right out, because that's the entire point of an airgap. A sneakernet is in...

There is something special about food that has been cooked in a grill, barbecue, or broiler. The charred surface brings both flavour and texture to the food, that other cooking methods fail to emul…

After [Casey Connor] captured and relocated a number of unwanted rodents in his home using commercially available live traps, he was presented with a problem: a rat had learned to avoid them.

In an...

[Jan Ostman] has been pushing the limits of sound synthesis on the lowly AVR ATMega microcontrollers, and his latest two project is so cute that we just had to write it up. The miniTS shares the sa…

[Helentronica] has been using Altium Designer to lay out PC boards since he was a student. Now as a freelancer, he felt like he didn’t quite know all that he wanted to know. Keep in mind he&#…

Grab a shortwave radio, go up on your roof at night, turn on the radio, and if the ionosphere is just right, you’ll be able to tune into some very, very strange radio stations. Some of these …

The usual way of adding GPS capabilities to a project is grabbing an off-the-shelf GPS module, plugging it into a UART, and reading the stream of NMEA sentences coming out of a serial port. Dependi…

I am a crappy software coder when it comes down to it. I didn’t pay attention when everything went object oriented and my roots were always assembly language and Real Time Operating Systems (RTOS) a...

[Glytch] has been building drones since before they were called drones. Instead of submitting his time machine into the Hackaday Prize, he’s throwing his pocket sized, 3D printable coaxial dr…

[Glytch] has been building drones since before they were called drones. Instead of submitting his time machine into the Hackaday Prize, he’s throwing his pocket sized, 3D printable coaxial dr…

Ten years ago, we never imagined we would be able to ward off burglars with Pi. However, that is exactly what [Nick] is doing with his Raspberry Pi home security system.

We like how, instead of usi...

[Scott] is building a DIY yeast reactor for his aquarium. What's a yeast reactor? [Scott] wants to pump carbon dioxide into his aquarium so his aquatic plants grow more. He's doing this with a gallon ...

We've had a love affair with the Monoprice Select Mini since it came out. The cheap printer has its flaws, though. One of them is that the controller is a bit opaque. On the one hand, it is impressive...

[Greg Zumwalt], master of 3D-printed mechanisms, has published his Saber 2 project as well as an assembly Instructable telling you how to put it together.

Saber 2 is a 3D-printed gear-and-cam sa...

Motorcycles are hard to see at the best of times, so riders are often concerned with making themselves as visible as possible at all times. [Josh] wanted to do this by creating a custom tail light …

There are a lot of ways to try to mathematically quantify how healthy a person is. Things like resting pulse rate, blood pressure, and blood oxygenation are all quite simple to measure and can be use...

If you have more than a few bank cards, door-entry keycodes, or other small numeric passwords to remember, it eventually gets to be a hassle. The worst, for me, is a bank card for a business accoun…

[Kenjo] attended Chicago’s Thotcon this past week and has started hacking the convention badge and detailing what he learned. Thotcon’s badge, designed by [Jedha] and programmed by [John Wallis]...

Join us this Friday at noon PDT for a Hack Chat with Tenaya Hurst of Arduino. If you've been one of the big Maker Faires over the last few years (or innumerable other live events) and stopped by the A...