Build a Battery Powered Fan

The agents of empire do not always arrive with warning. When you are besieged, surrounded, and infiltrated, imagination is often your best weapon against the oppressors. If all you have at hand is some duct tape and a disposable camera, fear not, you have the makings of a powe ...more

Chemical engineers at Cornell have created a small device that may one day turn troops into real life spider-men. The device would cradle in the palm of the hand, allowing troops to scale walls. It uses an adhesive inspired by the Floridian leaf beetle, an insect that "can adh ...more

Rockets are lots of fun when you are launching them. However, finding them can be an arduous if not maddening task. Fancy space rockets have lots of tracking equipment to make touchdowns as simple as pie. Today, we look at embedding LEDs into your hobby rocket for easy night f ...more

R/C car manufacturer Losi just recently released the LOSI 1/10 TEN-T TRUGGY RTR, which is apparently the world's most advanced radio controlled car. The Ten-T is 18 inches long and 6.2 pounds, and operates like a real race car (but at 1/10 of the size). Check out these specs ...more

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guita ...more

I'm back with the third part to my laser weapon series (see part one and two), and I'll be explaining the function, application, and potential of semiconductor lasers, aka laser diodes. Surely, most of you have used a laser pointer at some point. Whether purchased at a dollar ...more

Hacked Gadgets recently featured Csaba Bleuer's LED wave display, a device that projects LED messages midair. Bleuer had also previously created a similar device that spins on a fan motor. "Csaba Bleuer sent in some pictures and a video of his new creation. It is a LED Wave D ...more

get dave england to take a lot of laxatives then buy a high powered fan when your at the store ask ask for a demo and then drop your pants and crap on the spinning fan

Like most Android devices, the Nexus 7 suffers from its fair share of battery gripes. Nobody wants to see that dreaded "connect charger" warning pop up on their screen. NOBODY. Yet it probably happens to you every day nonetheless. What can you do about it besides charge, charg ...more

Historically, battery life has not been a strong suit for machines running Windows. Poor decisions by hardware manufacturers combined with the resource-hogging behavior of Windows are to blame. However, Microsoft is trying to resolve this issue, once again, with the release of ...more

Afraid of the dark? You're only afraid of things you can't see. Just like an owl, see through the darkness, light up your imagination, and use your own owl eyes to make your very own Halloween hoot. To make this owl, you'll need black foam board, an X-Acto knife, LED lights, b ...more

Aside from being completely adorable, Fijibot is a completely autonomous robot that automatically seeks out light sources to charge his solar-powered battery. He's built from a 1.5 liter Fiji water bottle, packed with an Arduino Uno, 6 volt solar panel, and an Arduino Proto Sh ...more

3D printers have been surging in popularity for both professional and personal applications, and now OLO is on the verge of making 3D printing practical wherever you go. Their eponymous 3D printer is battery-powered and uses the light from your smartphone's screen to create 3D ...more

Invented by Philadelphia tinsmith John L. Manson in 1858 for canning and preserving perishables, mason jars are experiencing a major resurgence in the DIY community. In addition to being a handy storage device for both food and non-food items, its old-timey, quaintly antiquate ...more

There is thousands of motor driver, do you find an easy way to measure the drive current? That is what this motor shield do. The drive chip is L298N. The following steps is how to control two DC motors and how to measure the drive current. With it, you will make your control s ...more

While Vuzix is beefing up the processing power of its next-generation smartglasses with the Qualcomm Snapdragon XR1, the company will also give its devices an upgraded display engine. At the Augmented World Expo today, the smartglasses maker announced that it will pair its wa ...more

In this post-3.5 mm world, Bluetooth is the most universal option. But a lot of older electronics still don't support wireless audio. Welp, now there's a dongle for that. The AirFly dongle (from $34.99 on Amazon) plugs into any 3.5 mm headphone jack (mini jack) and provides a ...more

Fans attending the US Open Tennis Championships in Queens, New York, which kicks off on Monday, will have the opportunity to meet tennis star Venus Williams in an augmented reality game sponsored by American Express. Fittingly, Williams' younger sister Serena was recently fea ...more

It's 2017—new year, same us. We vow to keep scouring the net for the best how-tos and feature the makers and doers who create mind-blowing projects. And what a great year it's been so far because boy did we find an amazing tutorial. Inspire to Make is a YouTube channel run by ...more

When the power goes out, having the ability to contact others becomes extremely important, and your cell phone can be one of the most important tools to have. But if the power is out for an extended period of time, battery life becomes a constant problem. Without the ability ...more

After watching Samsung's exploding phone fiasco this past year, I took comfort knowing that the likelihood my iPhone would suddenly combust was slim. However, after hearing about a recent incident in Wisconsin, iPhone owners may have reason to worry. According to a man named ...more

True home automation doesn't require interaction from the user. But let's be real, no system is going to be 100% autonomous. You'll always need a manual override for situations programming can't account for. So what's the best manual override system? I'll tell you right now, i ...more

After testing a series of Android 8.0 builds, Essential hit the reset button and jumped to Android 8.1 Oreo. The beta program didn't last long, as Essential has now released the official 8.1 update to the masses. The features from the 8.0 betas are all still there, plus a few ...more

Not having power can make everyday tasks really difficult if you're unprepared. You have to find new ways to do things like cook dinner and charge your devices, and if it happens during the winter, you also have to figure out how to heat your home. If you don't have a battery ...more

Even with today's high-powered devices, battery life is still an issue. We, as users, have to almost habitually check the current battery percentage, because otherwise, we might end up draining too much in the morning, then get stuck with a dead phone at night. There are seve ...more

The good news keeps on coming for Samsung! According to the market research firm Strategy Analytics, the Korean giant sold a whopping 7.2 million Galaxy S7 and S7 Edge smartphones in the first quarter of this year. That totals 55 million of the company's flagship smartphones s ...more

It's looking more and more likely that rumors stating that the iPhone 7 will not include a 3.5 mm headphone jack are true. Chinese websites Wei Feng and Anzhuo.cn reported that anonymous sources on the supply chain confirmed that the controversial design choice is a reality. ...more

Some bacteria can already do it—generate electric current, that is—and those microbes are called "electrogenic." Now, thanks to the work of a research group from the University of California, Santa Barbara, we know how to easily turn non-electrogenic bacteria into electricity ...more

Security-minded users can reduce the risk of phishing by enabling Advanced Protection on important Google accounts, requiring a U2F security token to log in. Using these keys isn't intuitive on most popular smartphone platforms, and you can find yourself locked out if you don' ...more

While at work, you notice your gloves changing color, and you know immediately that you've come in contact with dangerous chemicals. Bandages on a patient signal the presence of unseen, drug-resistant microbes. These are ideas that might have once seemed futuristic but are bec ...more

Termite poop and biofuels — what's the connection? New research into termites' intestinal comings and goings describes a process that may speed the development and lower the cost of fuels made from plant matter. Energy sources are a big deal, and the global economy currently ...more

One of the best things about Christopher Nolan's Batman trilogy is how realistic he makes the caped crusader feel. Unlike the Joel Schumacher or even the Tim Burton versions, Nolan's world seems grounded in some level of scientific fact. But just how close is science to actual ...more

Microbial cells can improve the functionality of clothes in creative and useful ways, including cooling us down during a workout or making clothing glow for better visibility. The innovative products were developed by a team of 14 researchers from MIT, in such broadly diverse ...more

An ESP32-based microcontroller with a camera is an amazing platform for video, but not all modules are created equal. We'll go over the pros and cons of some of the popular low-cost camera modules you can use with ESP32-based development boards, as well as what features they s ...more

Admit it—at some point or another, you've wished that you had your own personal hovercraft. Don't worry, we've all been there. Well, a company called Aerofex wants to make a hovercraft that's way more than your standard leaf-blower-powered one, taking a queue from the swoop an ...more

Damn right, you don't just eat 'em. When you're done with your next Pringles can, you can turn it into a kaleidoscope, a pinhole camera, and even a solar hot dog cooker. But Instructables user TheSpodShed may have just created the most awesome way to upcycle empty Pringles ca ...more

One thing the whole Internet can agree with is that cats are cute and (sometimes) cuddly. But what those endless cat videos you find yourself watching for hours on YouTube don't tell you is that cats stink. While cats aren't the source of the smell, owning a cat means a stinky ...more

Toshiba's latest fuel cell prototype would enable the consumer to charge any number of gadgets in a matter of seconds. The new technology was demonstrated at Japan's CEATEC show, in which a modified Toshiba T002 phone (powered by a direct methanol fuel cell and a li-lon batte ...more

Sometimes the hardest part about getting your minecart rolling is the beginning takeoff. Have you ever started a minecart on a hill, and then tried to jump into it as it started moving, only to fail and watch it slowly dwindle into the distance? Well, I have. But with these ...more

Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more

Every step in the evolution of computing brings an in-kind leap forward in user input technology. The personal computer had the mouse, touchscreens made smartphones mainstream consumer devices, and AR headsets like the HoloLens and the Magic Leap One have leveraged gesture rec ...more

The introduction of smartphones has been what some may see as a step backwards in technology regarding batteries. The first cell phone that I had would last 3-4 days on a single charge; however, the lack of functions minimized the use that is saw. The iPhone's feature-rich pl ...more

Working from home is going to be a reality for more people than ever. With Twitter CEO Jack Dorsey announcing that his employees will be working remotely for an extended period of time (and even permanently, in some cases), the workforce is rapidly changing. More companies are ...more

To Android users, especially advanced ones, rooting their phones or tablets is becoming a necessity. Rooting Android could be complicated, if you do it all by yourself, even with a step-by-step tutorial. However, what Kingo Android Root offers you is a true one-click experienc ...more

At one point in the '90s, about fifty percent of the CDs produced worldwide had an AOL logo. About fifty percent of the CDs in my home still have that AOL promise of 500 free hours on them. Though they never got me to join their internet service, I did get a lifetime supply of ...more

|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcas ...more

Whether you're in high school or college, you no doubt will have your iPhone in your pocket all day long. To make your iPhone last the whole time and even help you out with your studies, these are the accessories you'll want to get your hands on. You might not think you need ...more

The battery in the Samsung Galaxy S4 may pack 500 more milliamps per hour than the old S3 battery, but that doesn't necessarily mean more battery life. High-powered devices need lots of juice, and the S4 is definitely more powerful than its predecessor. The new battery can han ...more

The worst part of moving into a new place is, well...moving. It's tedious, a lot of hard labor, and it can take forever, and don't even get me started on all those labels. It's also one of the only times in your life when everything you own can be stolen at once, since it's si ...more

With a cheap computer, smaller than the Raspberry Pi, an attacker can create a remote hacking device. The device can be attached to a target router without anyone's knowledge and enable the hacker to perform a variety of network-based attacks from anywhere in the world. As th ...more

I spend practically all day surfing the web and writing on my laptop, and just as much time texting and checking emails on my smartphone. So, it's only natural for me to charge my iPhone using the USB port on my MacBook Pro. Since that USB port is located on the left side of ...more

The Raspberry Pi is a credit card-sized computer that can crack Wi-Fi, clone key cards, break into laptops, and even clone an existing Wi-Fi network to trick users into connecting to the Pi instead. It can jam Wi-Fi for blocks, track cell phones, listen in on police scanners, ...more

Steampunk music is an oft-debated genre, full of bands playing all sorts of different sounds. While this can make it difficult to generalize about the genre as a whole, it means that the average person is bound to like at least some Steampunk bands. That's why it's a great ide ...more

The new iOS 11 was just released by Apple, and you can install it right now. Overall, it's got some great features, but how does it fare battery-wise on your iPhone? And how can you increase daily battery life for more juice and less charging every day? No matter the iOS vers ...more