Vacuum formers are useful tools to have around the shop and also an incredibly simple technology. All you need is a plastic sheet, a heater of some kind, a table with a bunch of holes in it, and a vac...

From the blog of [telmomoya] we found his latest project: a hardware based multicore solution for a ZX Spectrum Emulator. It’s not the first time we feature one of his builds, last year we wa…

A while back, [limpfish] bought a few four-digit seven-segment displays from a seller on eBay. A month or two later, thirty displays ended up in [limpfish]’s mailbox. Instead of using the one…

If you were a child of the late 1980s or early 1990s, the chances are you’ll be in either the Super Nintendo or the Sega Genesis/Mega Drive camp. Other 16-bit games consoles existed, but thes…

I had a friend who was an engineer for a small TV station. I visited him at work once, and despite the fact that he wouldn’t let me climb the 1,200′ antenna tower, I had a great time. I…

Exploiting the flexibility of plastic, a group of researchers has created a 3D printable microscope with sub-micron accuracy. By bending the supports of the microscope stage, they can manipulate a sam...

The LTC4316 is something special. It’s an I²C address translator that changes the address of a device that would otherwise conflict with another on the same I²C bus. Not a hack? Not so fast. …

What the heck is a Zooid? A Zooid is a small cylindrical robot, measuring 26 mm in diameter and 21 mm in height, weighting about 12g. Each robot is powered by a 100 mAh LiPo battery and uses motor …

It’s February, conference season hasn’t even started yet, and already there’s a winner of the best electronic badge of the year. For this year’s MAGfest, [CNLohr] and friend…

For those of us who can't get enough vicarious machining, YouTube is becoming a gold mine. Intricate timepieces, gigantic pump shafts, and more and better machine tools are all projects that seem to ...

[Will Forfang] found a app that lets you take a picture of a math equation with a phone and ask for a solution. However, the app wouldn't read handwritten equations, so [Will] decided to see how hard ...

Morse code enthusiasts can be picky about their paddles. After all, they are the interface between the man and the machine, and experienced telegraphers can recognize each other by their “han…

If like us you live in mortal fear of someone breaking into your house when you’re on vacation and starting a dryer fire while doing laundry, this full-featured IoT laundry room monitor is fo…

News comes to us this week that the famous HAARP antenna array is to be brought back into service for experiments by the University of Alaska. Built in the 1990s for the US Air Force’s High F…

One of the essential problems of bio-robotics is actuators. The rotors, bearings, and electrical elements of the stepper motors and other electromechanical drives we generally turn to for robotics pr...

The 'Pola' in the PolaPi is a giveaway for what this Hackaday.io project is. This polaroid-like camera, created by [Muth], is a sort of black and white, blast from the past mixed with modern 3D print...

Browse around eBay for an original Altair 8800 and you quickly find that the price range is in the thousands of dollars. If you are a collector and have some money in your pocket maybe that’s…

Yup, another clock project. But here, [Jan] builds something that would be more at home in a modern art museum than in the dark recesses of a hacker cave. It's not hard to read the time at all, it's a...

This one is hard to classify. Is it a hack, or is it art? Perhaps it’s both. However you want to classify it, it’s pretty cool to turn a bundle of drinking straws into a camera. If you&…

One of the sticking points for us with our own Internet of Things is, ironically, the Internet part. We build hardware happily, but when it comes time to code up web frontends to drive it all, the …

Are you already comfortable working with Serial Peripheral Interface (SPI) parts and looking for a challenge? We suspect many of you have cut your teeth on 8-bit through 32-bit microcontrollers but…