In the summer of 1987, the Atari magazine ST-Log caried a piece entitled "Atari Sets Off Fireworks!", a profile of the use of Atari computers in professional firework displays by Astro Pyrotechnics, a...

What do you get when you mix the disappointment that sometimes accompanies cheap Chinese electronics with the childhood fascination of torturing insects with a magnifying glass on a sunny day? You …

If you want to wirelessly communicate between devices, WiFi and Bluetooth are obvious choices. But there's also the ISM (industrial, scientific, and medical) band that you use. There are inexpensive ...

No doubt many Hackaday readers will have tried their hand at home brewing. It’s easy enough, you can start with a can of hopped malt extract and a bag of sugar in a large bucket in your kitch…

Hackaday Prize entrant [Danie Copnradie] lives in South Africa where wildfires are a major problem. Every year, humans and animals are killed, crops are destroyed, and property is lost. The FireBreakN...

Heart rate sensors available for DIY use employ photoplethysmography which illuminates the skin and measures changes in light absorption. These sensors are cheap, however, the circuitry required to…

Doom is now running on the ESP32. This is some work from [Sprite_tm], and the last we heard about Doom on the ESP32 is that there was a silicon bug or something. Now we're knee deep in the dead on a t...

If you are tired of constantly having to worry about the state of the battery in your mobile phone, then maybe help is at hand courtesy of the University of Washington. They are reporting the first-ev...

If you buy a serious scope these days, it is a good bet it will have at least two channels. There is a lot of value to being able to see two signals in relation to one another at one time. Even though...

We can race against the clock when assembling jigsaw puzzles online but what about competing against each other in the real world? [HomeMadeGarbage] came up with the simplest of solutions with his …

We're thrilled to announce Supercon tickets are now available. The 2017 Hackaday Superconference is November 11th and 12th in Pasadena, California.

This is the ultimate hardware conference. Hacker...

If you are working with OBD2 hardware or software, it’s easy enough to access test data, simply plug into a motor vehicle with an OBD2 socket. If, however, you wish to test OBD2 software unde…

A bewildering amount of engineering was thrown at the various challenges presented to the United States by the end of World War II and the beginning of the Cold War. From the Interstate Highway Sys…

Students at Purdue University’s Weldon School of Biomedical Engineering created ExoMIND, an Arduino-powered glove that helps a stroke victim recover by tracking the range of motion the patien…

Sudoku is a great way to pass some time, especially on a long flight. However, we don’t think the airlines will let [Sanahm] board with his sudoku-solving robot. The basic machine looks like …

[matt8588] designed a smartgun rig for his Airsoft shotgun (YouTube, embedded below). He has a Rasperry Pi 3 mounted inside a PEQ box connected to an infrared camera with an IR tac light helping with...

This is the biggest year yet for unofficial electronic conference badges. We're calling it the year of Badgelife, and for the next few weeks, we're going to be taking a look at the unofficial conferen...

Communicating with a satellite seems like something that should take a lot of equipment. A fancy antenna and racks full of receivers, filters, and amplifiers would seem to be the entry-level suite …

"Ugh. You mean I have to press down on the pen's button to open it? Gross." In this day-and-age when we can swipe on our phones and do voice recognition, there seems no reason we should have to press ...

[Daniyal]’s goal is to build an automated garden that allows him to grow plants in any environment he chooses. He’s got a good start with this rig, which is controlled by a Pi Zero connected via se…

It’s 2100 AD, and hackers and normals live together in mile-long habitats in the Earth-Moon system. The habitat is spun up so that the gravity inside is that of Earth, and for exercise, the n…