Microcontroller

If you want to control electronic devices, such as a relay or motor, you can do so using MicroPython with an ESP8266 and web browser. Usually, you'd program an ESP8266 using Arduino, but C++, which Arduino uses, is not always the easiest programming language for beginners to l ...more

Unfortunately, there are plenty of situations where having a can of pepper spray could come in handy. Even worse, in most of those situations your state of mind isn't really conducive to remembering important details like the facial features of the person who's trying to mug y ...more

In light of our recent post, Art Borne From the Barrel of a Gun, here's a thorough guide to building your own bullet capture system via robotics site Glacial Wanderer. Says Hack a Day: "A pair of IR sensors spaced two inches apart can capture and calculate the speed of a pro ...more

So, you want to throw a steampunk party and you have almost everything in place—your steampunk persona and iPhone are ready to go, and you've even got your own steampunk straight razor. What's missing? The Elixirator, that's what. The Elixirator is a steampunk cocktail-making ...more

Proud new papa Gjoci wanted to make sure he never had to worry about whether or not his baby girl was breathing, so he built this amazing breath-detecting baby monitor using a Wii remote, a printed circuit, and a laser. First, he opened up the Wiimote and took out the camera, ...more

If you're a steampunk enthusiast looking to give your bathroom an extra kick, this just might be the project for you. This stylish and functional "vintage" toothbrush timer knows when you've grabbed your toothbrush, and will visually count down two minutes before alerting you ...more

Alan Parekh's latest creation is a clock made from wooden gears.  Parekh says on Hacked Gadgets: "The clock...consists of a bunch of wooden gears, a PIC microcontroller and a stepper motor. The heart of the clock is a PIC 16f628A microcontroller. This microcontroller has an ...more

Chris Marion's Guitar Hero hack is nothing short of genius. The pyro-gamer-maniac interfaced his guitar with a microcontroller hooked up to five flame shooters (translation: every time he presses a button, a giant flame is propelled into the sky). Click through for full instru ...more

I'm back. School's an ass. On my quest for knowledge, which started approximately 3 years ago, I can upon an interesting little artifact. It is called the Arduino. What Is the Arduino? The Arduino is an open-sourced prototype board. You use it to make projects, and is great ...more

Playing Angry Birds on a computer just got a lot more interesting. Design students Andrew Spitz and Hideaki Matsui made this awesome slingshot controller for one of their classes at the Copenhagen Institute of Interaction Design. Video: . They customized a motorized slider and ...more

To help keep sleepy binge-watchers from sleep-"watching," Netflix asks if you're still watching after a semi-short period of time. This means that it could be anywhere from 1 to 5 episodes that you slept through, which is better than 2 seasons, I guess—but it doesn't make it a ...more

The secret hideout - a thing of the past, a childhood luxury, an adult-less adventure. Those were the days. And remember the secret knock? The only way in. You either knew it or you didn't. The only way to keep the kids in and the grown-ups out. Well, Steve Hoefer has come up ...more

This panhandling robot isn't too proud to beg. In fact, it's custom-built for it. And who could refuse? Get a load of that puppy-dog eye. Creator Chris Eckert explains, "Gimme is a two axis numerically controlled sculpture that pans a room looking for people. Once found, the ...more

What happens when you add a few wires and a microcontroller to your door buzzer? You can let yourself into your building from the outside!

The mighty Arduino microcontroller can be used to show children how robots work, it can be used to hack into hotel rooms, or it can be used to let you know when you've got a new job opportunity! Mikerb0t was tired of being glued to his computer all day long waiting for new jo ...more

Last week, the whole world ushered in the new year, celebrating the start of 2013 with family and friends, and of course, that little thing we like to call alcohol. But just because New Years Day is over doesn't mean the party is. And surely, there will be some assholes out th ...more

If you don't have a car, or just prefer to take public transit to work, you know that an unexpected change in the weather can quickly...er, dampen your day. If you're not expecting it, rain or snow can turn your trip into a long, hellish ordeal—especially if you bike. Richard ...more

Outfitted with a glowing MacBook sleep indicator, this Mac-o'-Lantern gives new meaning to the phrase "sleepy hollow." Interested in making your own? The folks at Evil Mad Science Laboratories offer a complete write-up of the build process on their blog. Be forewarned, however ...more

Bash scripting is a convenient way to automate things on any Linux system, and we're going to use it here to automate certain tasks we use all the time. Bash is a simple language for stringing together several different Linux utilities. Its simplicity makes it easy for beginn ...more

Arduino is a language that's easy to learn and supported on many incredibly low-cost devices, two of which are the $2 Digispark and a $3 ESP8266-based board. We can program these devices in Arduino to hijack the Wi-Fi data connection of any unlocked macOS computer in seconds, ...more

MouseJack vulnerabilities were disclosed over three years ago. Some wireless keyboard manufacturers have since issued firmware updates, but millions (if not billions) of keyboards remain unpatched worldwide, either because they can't be updated or because the manufacturer neve ...more

The $35 Raspberry Pi is an amazingly useful single-board computer (SBC) with a good balance of price, performance, and connectivity options. But for some projects, it just isn't enough. Whether you need more computing power, a smaller size, or better machine-learning capabilit ...more

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more

If you're getting into automation, Bash scripting is usually the way to go. However, there are a couple of limitations, and one of them is logging into another device like a Raspberry Pi and running a script automatically. To help in those situations, we're going to automate d ...more

What's the geekiest way to propose to your girlfriend? Make a robot do it for you. As a self-declared dork, RangerX52 wanted to take a simple task like proposing and make it as utterly complicated as possibly—by having a DIY robot do it for him. With knowledge of his lady's i ...more

Matt Reed, a web developer at Nashville interactive ad agency Redpepper, built a massive, real life Facebook Like "button" out of Legos, which lights up whenever someone clicks Like on his Facebook page. The programmer loves LEGOs, and draws an affinity between the legendary b ...more

Everybody loves the stars. Well, I certainly do. As a child I'd spend hours outside during summer nights marveling at the seemingly endless amount of sparkling dots spanning the sky. Maybe you have children of your own and want to create a sparkle in their eyes, or in your own ...more

Know how some people have a natural way of lighting up a room? Well, hacker i-am-jen has an artificial one—LED sneakers! Powered by a pair of 6-volt batteries and two teeny-tiny RBBB Arduino microcontrollers, the shoes offer a high-tech, DIY spin on the mass-market L.A. Lights ...more

It's Black Friday time, and in 2020, that means a lot of online deals to make up for more stores closing on Thanksgiving, as well as everyone avoiding in-person shopping because of the coronavirus. But while you may wish to grab a better 65-inch 4K TV, the new PlayStation 5, o ...more