How to Make Led

It's never fun to fidget around with your phone's camera while you're out and about, especially when it comes to transitioning between its front- and rear-facing cameras. Thankfully, Galaxy S8 users can scratch this one off their list of inconveniences, as Samsung has built in ...more

When Android 4.4 was released, the massive changelog led to some awesome new features getting lost in the virtually endless list of new tweaks. One such change was the ability to set a default text messaging app, which streamlined the existing process of installing a third-par ...more

Web application vulnerabilities are one of the most crucial points of consideration in any penetration test or security evaluation. While some security areas require a home network or computer for testing, creating a test website to learn web app security requires a slightly d ...more

With gas prices constantly digging into your wallet, biking will always be a cheap and easy alternative for getting around—and it's a perfect way to get in a little exercise. But with the fall season about a week away, it is going to start getting dark a lot earlier and that r ...more

Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimat ...more

The Nexus 6 has an AMOLED screen that uses virtually no power to display black pixels. To take advantage of this feature, Google included an Ambient Display notification system that shows a black and white version of your lock screen when you get a new message. As a result, th ...more

Your iPhone just went missing, and now you're panicking. You need it for work, to get around, to contact your friends and family, and pretty much everything else in your life. So, what are the chances you might get it back? The odds may be stacked against you unless it's just ...more

As you progress in the world of information security, you'll find yourself in situations where data protection is paramount. No doubt you will have files to hide and secrets to share, so I'm going to show you how to use the GNU Privacy Guard (GnuPG or GPG for short) to encrypt ...more

General Electric isn't known for their Christmas lights, but maybe they should be, because their GE Color Effects are pretty awesome. Especially the LED Color Effects G-35 String sets. And especially when someone named Darco hacks them. Darco, whose real name is Robert Sun Qu ...more

The USB Rubber Ducky is a well-known hacking device in the cybersecurity industry, but it needs to be preprogrammed before it can be used. That means it's not easy to issue commands to a target computer since you can't interact with it from afar after plugging it in. And if yo ...more

A young child becomes very thirsty very often and seems tired all the time. A visit to the pediatrician determines she has type 1 diabetes. The onset of type 1 diabetes may seem sudden, and it can be, but the disease may actually have been triggered by common childhood viruses ...more

If you're like me, getting as much sleep as possible is priority number one. With more and more time spent on or around our cell phones, it's becoming harder and harder to block out all the noise. If you've got a Samsung Galaxy Note II or Galaxy S III, you probably love the g ...more

Whether you're in an airport, restaurant or waiting room, the insidious grip of televisions on human life is omnipresent. Sometimes it's nice to talk to other human beings while looking at them directly—actually hearing what they have to say. Thankfully, there's a DIY device ...more

The original iPhone SE was, for some, the perfect iPhone. It brought back the popular one-handed form factor of the iPhone 5 but packed in the internals of the then-new iPhone 6S. Now, the second-generation iPhone SE is here for 2020, but can it live up to what made the first- ...more

Bradley Lewis is a visual effects artist for BioWare by day, but in his spare time he runs Slothfurnace, a blog dedicated to showcasing his incredibly realistic lightsaber replicas. His latest, which took 18 months to build, is Obi-Wan Kenobi's Reveal Lightsaber from A New Hop ...more

The latest software update for iPhone has a few new features you should know about, including an enhanced security feature to protect your Apple ID account from phishing and other attacks. Keep reading to see everything new that's included with iOS 16.3 for iPhone. The iOS 16 ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more

Many phones these days are being manufactured without a notification LED—it's a cost-cutting move, and it's really not an essential component. However, the notification light on Android devices has traditionally alerted users to any missed messages, and this is functionality y ...more

You're never going to see a project from me that involves straight pipe. You would have when I was a kid, but after too many years in the construction industry, I need to see a good finish. If the project doesn't look slick, I don't want to say I did it. I have to say right o ...more

I'm not sure exactly when it happened, but it's awesome that you can now download music from the iTunes Store that's free of DRM (digital rights management) limitations. That was always my biggest problem with buying music from iTunes. Paying a buck for a song that I can only ...more

Performance and stability improvements, as well as new features, are just some reasons to install iOS 12, but new changes mean new battery health challenges. It can be difficult to boost battery life while taking advantage of everything this update has to offer. Luckily, there ...more

Although your friends might roll their eyes every time you talk about playing Clash of Clans, Call of Duty, or Candy Crush Saga, your excessive gaming habits might actually be making you healthier than everyone else. I've got your attention now, right? Read on for 8 insanely ...more

Contrary to popular belief, sushi is not the raw fish that one gets at Japanese restaurants, but the rice that comes with it. It's hard to tell whether this popular misconception led to or came about because of the primary flavors that we think of in sushi are the fish. We oft ...more

Smartphones are still "phones," which means communicating with others is usually a primary use. Ranging from a simple "hi" to a more personal conversation and even sharing passwords, our messages should remain private so that only the intended recipient sees their content. Whi ...more

Google's new Pixel and Pixel XL flagships are some very powerful smartphones, but as with any high-tech gadget, they're only as capable as the user allows them to be. So if you're a proud new Pixel owner, it's time to bone up on a few new features to help get the most out of y ...more

Apple's iPhone 8 and iPhone X announcement went about exactly as the rumors predicted. Really, there was only one surprise — the fact that all of the new models will support the Qi wireless charging standard. Wireless charging itself wasn't unexpected, but seeing Apple use a ...more

The DIY industry is booming, despite the desperate blackmailing of society by finance capitalists. Companies like Adafruit and Makerbot are grossing well over a million dollars a year, and Evil Mad Science Laboratories just recently dedicated themselves to running a full-time ...more

Mason jars are a DIYer's best friend, nearly on par with duct tape and paper clips. Why? Because you can use mason jars for so many things besides just canning and drinking, and I'm not talking about other obvious uses like basic storage containers or miniature terrariums. I'm ...more

Three new iPhones means you have to make a choice: Do you go with the smaller iPhone XS, the larger iPhone XS Max, or the cheaper iPhone XR? There's lots to like about each model, but if you want to make an informed decision, it's time to learn what each has to offer. Here's w ...more

The public leaks of NSA tools and information have led to the release of previously secret zero-day exploits such as EternalBlue, which was used in the notorious WannaCry ransomware attack. Despite multiple patches being released, many users have failed to update their systems ...more

After learning that you'll need to spend at least $74 on a special charger and a USB Type-C Lightning cable to enable fast charging on the new iPhone X and iPhone 8 models, you may be wondering why you can't just use the standard Lightning cable. While we can't answer why Appl ...more

TouchWiz might not be the Android skin of choice for hardcore aficionados, but the Galaxy's OS still has a ton of great features up its sleeve that help provide one of the most enjoyable smartphone experiences out there. Many of these are relatively hidden and overlooked featu ...more

When the Google Maps web app got a massive redesign earlier this year, I was pretty excited to try it out, but it was a fairly disappointing update for me. The slower load times, confusing street view, and bicyclist neglect are just a few of the reasons I don't enjoy it over t ...more

Most of the indie and vintage games discussed in Indie Games Ichiban are pretty cheap to purchase. They rarely top twenty bucks, which is one of the major advantages independent games have against their sixty-buck, major league counterparts. But if you think $60 for a game and ...more

We previously showed you how to make your Android's LED notification light dance to music, but the app itself was limited in customization options, the devices it worked on, and the music apps and services it worked with. Now we'll be showing you a similar app that supports mo ...more

Apple has four iPhone models for the remaining months of 2020, but the most impressive ones are the iPhone 12 Pro and iPhone 12 Pro Max. While the iPhone 12 and iPhone 12 mini are great smartphones, the "Pro" models offer more advanced features, especially for photographers an ...more

This year, like every year before it, Black Friday sales are starting earlier than ever. A lot of stores will be opening their doors as early as 5pm on Thanksgiving to get a head start on the madness (and it really is madness). As we've discussed in the past, one of the keys t ...more

Video game makers have never had great name recognition amongst the American public. Shigeru Miyamoto, Cliff Bleszinski, and Will Wright are names most Americans can't be bothered to remember, whatever their contribution to games have been. Most people are familiar with their ...more

When it's all said and done, it doesn't really matter who did it first — the more important question is who did it best. Still, it's nice to know who's really responsible for groundbreaking innovations in the smartphone space. I always try to stay neutral and objective, but w ...more

A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of ...more

Perhaps one of the greatest embodiments of urban exploration lies in a disturbing and volatile mental health facility in Massachusetts, and its story starts with... Thomas Story Kirkbride. It's a name not many people know, unless you're a psychiatrist, or perhaps even an arch ...more

You can feel it in your bones. You may die if you don't get this phone. There's just one problem — the price. Suddenly, you come across what seems like manna from heaven. That very device, at a deeply discounted rate, can be yours. The only thing that makes you pause is that ...more

Valentine's Day is almost here, and if you're like me, you're scurrying to do something special for your mate. The standard chocolates and flowers just isn't cutting it anymore, and you can only make so many homemade cards before it becomes banal and meaningless. So, what can ...more

Let's take a minute and talk about something you're doing wrong — using the restroom. Many view the subject as improper or even taboo, but why? Thanks to your upbringing, you've assumed you know the basics... But you don't. Avoiding discussion on the subject has led many of us ...more

Computer viruses are terrifying. They are undetectable, dangerous, and operate constantly right under your nose. For the average computer user, there are only a few repair options. You could buy expensive antivirus software that causes more problems than it fixes, you can wipe ...more

What's a penny worth these days? Not much. But could there be some free energy hidden inside your spare pennies? You'd be surprised! See how I hack together stacks of pennies into makeshift batteries that can drive small-current devices like LEDs and calculators. Video: . You' ...more

Riding your bicycle at night is dangerous on busy streets, especially if you've got no bike lights. In most states, it's illegal to ride your bike at night without any lights because drivers on the road won't be able to see you until it's too late. Plus, how is anybody going t ...more

OpenBSD implements security in its development in a way that no other operating system on the planet does. Learning to use the Unix-like operating system can help a hacker understand secure development, create better servers, and improve their understanding of the BSD operatin ...more

As smartphone users, we live in dangerous times. The value of phones continues to rise, making them prime targets for thieves. In 2015, the FCC estimated that one million phones are stolen each year, and with several devices starting to hit the $1,000 mark now, these numbers a ...more

Smartphones have become such a big part of our lives these days that they're now closely associated with our personal identities. No longer is it Ford versus Chevy, rock versus rap, or PC versus Mac—now, you're either an Android person or an iOS person. Don't Miss: 10 Things ...more

Last week, I showed you a peek at the not-yet-released Galaxy S5 Active, the more rugged version of Samsung's current flagship. The man behind those leaks, TK Tech News, has now brought another goodie from the device, and it's one we can have on the Galaxy Note 3. Dubbed Acti ...more

Think of the coolest, most unique way to create art that you can. Got it? Now think about creating that art out of living things. The American Society For Microbiology (ASM) holds an annual art contest, but it's no ordinary art they look for. The ASM looks for agar art, which ...more