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…

If you're at all like us, or like [Vadim], you've got a stash of development boards in a shoebox on a shelf in your closet. If you're better organized that we are, it might even be labeled "dev boards...

A few years ago, [Dark Purple] built the USB equivalent of an RJ45 connector wired into mains power. The USB Killer is a simple device with just a FET, a few high voltage caps, a DC/DC converter, a…

Nespresso fans rejoice! If you like coffee (of course you do) and are a Nespresso fan, chances are you are one of two types of persons: the ones that chosen one type of capsule and stick to it or t…

The ESP-32 is the Next Big Chip. This tiny microcontroller with WiFi and Bluetooth is the brains of the GameBoy on your keychain, emulates an NES, and does Arduino. There are ESP32 modules that are so...

One of the miracle technological gadgets of the 1950s and 1960s was the transistor radio. Something that can be had for a few dollars today, but which in its day represented the last word in futuristi...

No matter what the project is about, we’re always suckers for nicely integrated builds with good fit and finish. There’s a certain appeal to rat’s nest wiring on a breadboard, and…

We've all seen infinity mirrors. Even Mr. Spock had one in the Star Trek movies. Usually, these aren't very large and hang on the wall. [QuackMasterDan] decided (after watching another movie, Interste...

[LaForge] and [Holger] have been hacking around on cell phones for quite a while now, and this led to them working on the open cellphone at OpenMoko and developing the OsmocomBB GSM SDR software. N…