Diy Led Flashlight

Science is most marvelous when it's creating an explosion, even at the tiniest of proportions. In the video below, Daniel Rosenberg from Harvard's Natural Science Lecture Demonstration Services reveals the secret to shooting a cork rocket over twenty meters using a little chem ...more

Like Russian Matryoshka dolls, the features on the Galaxy S8 and S8+ often have hidden components within them that add to their functionality. The phone's flashlight is a great example of this since there's a hidden shortcut within the "Flashlight" Quick Settings tile that let ...more

A flashlight is one of those things you rarely need, but hardly ever have when you do. The normal-sized ones are unwieldy to carry around, and the small ones that you keep in a purse or car are easy to lose. You can solve both of those problems and get the best of both worlds ...more

I know what you're thinking. Why spend time talking about another flashlight application when there are literally thousands of them scattered throughout Google Play? As it turns out, there is a void in the realm of flashlight Android apps. Flashing lights, strobe lights, cop l ...more

Using my Nexus 7 tablet as a flashlight to light my path on the way to my room late at night is difficult, and honestly, useless. It doesn't have an LED flash for pictures, so using it as a flashlight is essentially just me brightening the display as high as it can go. If you ...more

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

Video: . Recycle your hard drive into a hidden flash memory device that only you know how to turn on and use in secret. This DIY hack project allows you to recycle your broken hard drives back to life and turn them into something useful. So far, this project has several funct ...more

This awesome how to explains the construction of a DIY USB-charged flashlight! The coolest part is that there are no batteries! Two super capacitors hold the charge from the USB and release it to the LED light at the touch of a button! Image from La famille créative

Fans of Doctor Who know that the sonic screwdriver is the ultimate tool. It can unlock doors, turn on lights, detect life forms, solder wires, and sabotage weapons. Presumably, the sonic screwdriver creates sonic vibrations to achieve whatever the doctor wants by vibrating th ...more

Grab your thinking caps and get your hack on. Null Byte is officially seeking contributors on a weekly basis who are willing to take the time to educate the Null Byte community on anything, from hardware hacks to life hacks. Contributors that write tutorials will be featured o ...more

This was done for the contest on the forums. I had great plans, but due to needing to keep the blogs up to date and some personal life complications, I didn't get as much done as I needed to in time. I carved the cow on the 24th and took this first picture, then it sat outsi ...more

You may be familiar with the graffiti art practice of light painting, or light writing (1, 2, 3, 4). Essentially, it is a practice that employs the manipulation of light, photography and stop motion animation. WonderHowTo's latest favorite light painting guru, freddiew, breat ...more

In this article, I'll show you how to make a simple touch-triggered switch. This is very useful for various electronic projects, from a simple bedside light to a flat panel touch keyboard. The circuit can vary in switching power depending on the transistors you use. For exampl ...more

It turns out that the popularity of soft circuit electronics has leaked out of the interwebs and into the hands of the U.S. military. Soft circuit electronics allow you to literally sew electronics circuits into fabric using flexible conductive thread instead of wire. Soft cir ...more

In this article, I'll show you how to make a glowing orb. The orb is a fun, round flashlight useful for lighting your path in a magical way. Consisting simply of LEDs, a tennis ball, a battery and a switch, it's a great simple project for beginners with electronics. Here's a v ...more

In Alan Wake, there are hidden messages hidden throughout the levels that are only visible with a flashlight. If you don't flash the light at a particular spot, you will not be able to see the message. These messages are left by a mysterious entity trying to give hints to Ala ...more

There's absolutely no shortage of flashlight apps on Google Play, so when one comes around that sports uniquely different features than the rest—it should definitely be noted. That's why I bring to you Ambient LED Flashlight, a new app for your Samsung Galaxy Note 2 by Android ...more

Unless you're in law enforcement, you won't usually have a flashlight on hand for those rare moments when you need to sift through the dark. However, it is very likely that you will have your phone on you, so you'll have fast access to a bright light with just a few easy taps. ...more

When you forget you charger,you can use this dynamo charger to charge the phone with your hand. I convert the dynamo LED flashlight into charger just adding bridge rectifier, capacitor and USB female plug. Video: . Make sure you subscribe to my YouTube channel for more awesome ...more

The biggest pet peeve of many Google Now users has always been the fact that you can't toggle basic system functions with voice commands. In fact, this was such an annoyance that folks even went so far as to apply root mods to get the functionality. Well, we're happy to repor ...more

If you're tired of fumbling with the Control Center every time you need to turn off your iPhone's LED flashlight, you'll be happy to know there's a faster way. Using a simple trick that was discovered by Redditor 49599066, you can actually toggle your flashlight off in less th ...more

The Galaxy S8 has finally touched down, and it's an absolutely gorgeous device. Samsung's brand new flagship comes jam-packed with new features — some refined, and some that aren't. Luckily, we've compiled some major features to help you get started as quickly as possible so y ...more

With the introduction of the Control Center in iOS 7, we finally had a way to access common system toggles like Wi-Fi, Airplane Mode, and best of all, Flashlight. Of course, there were plenty of adequate flashlight apps in the iOS App Store, but none that made it available str ...more

Record stealthily, in the dark. This hack is simple and will turn any LED flashlight into an infrared night vision light you can use with any video camera. Infrared light is invisible to the human eye, but it will illuminate any area you are shooting. IR radiation is electrom ...more

Android Nougat included a feature that made it significantly easier for users to switch between recent apps, giving them the ability to quickly go to and fro like never before. This relatively unknown feature has carried over to the Galaxy S8, and it's sure to make multitaskin ...more

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

You can do a lot more with playing cards than you'd think, like turn them into gift boxes, fling them like throwing stars, and make them levitate or disappear. You can even make them recharge your batteries. Instructables user Shawn Frayne was sick of having a bunch of dead ba ...more

Before all the fancy night mode settings in phone cameras, we used the LED flash to take low-light photos. While it's not used for pictures as much anymore, the LED on the back of your Galaxy is still pretty handy as a flashlight. But did you know there's an easy way to adjust ...more

Since the introduction of LED flash to smartphones, there have been hundreds of flashlight apps flooding Google Play, since most Android phones do not have built-in flashlight apps, including the HTC One. Third-party flashlights are great for lighting up dark corners, but som ...more

The Moto X and Moto Z have a set of features that let you launch common shortcuts by shaking your phone in one direction or another. For instance, there's a chop gesture that turns on the LED flashlight, and a wrist-twist gesture that instantly opens the camera app. We've cov ...more

There was a somewhat recent outbreak of malware on Android, and it came from an unlikely source—the Google Play Store. Several established apps have received updates a few months ago that contained an unwanted add-on called either DU Quick Charge, DU Battery Boost, DU Boost Ch ...more

How many trips up and down the stairs do you think it took artist Janne Parviainen to create this incredible topographical light painting? Apparently, quite a few. Using only one LED, he moves around his house, tracing all of the surfaces. Sometimes the exposure times are up t ...more

With this video tutorial from Household Hacker, you will learn how to make a functional circuit on paper. Really—on paper! See how to make an LED light up with a lead-based paper circuit and how to make a resistor on that circuit. It also shows how to make a flashlight out of ...more

Whenever you need a flashlight, your iPhone's LED flash may be enough to break through the darkness, and you don't even need to unlock your screen to use it. But your LED flash's brightness level may be too strong or not powerful enough. It's not immediately obvious how one wo ...more

Apple's first big iOS 17 point update for iPhone just came out, and it includes some of the features initially planned for the iOS 17.0 release last September. But there's much more to iOS 17.1 than that — exciting new features and changes are hiding within Books, Music, Stand ...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

LIGHTFAKTOR is a Cologne artists collective experimenting with the "possibilities yielded by bulb (long-term) exposure and painting." The technique employed has been coined "light writing" - Wikipedia's definition: "Light writing is an emerging form of stop motion animation ...more

There are a lot of things your Samsung Galaxy Note 2 can do straight out of the box, but there's also a ton of things it can't, or simply could be better at. That's why most of us end up rooting—to enhance the mobile experience. Today, I'll be showing you some of my favorite ...more

Ant-Man isn't one of the most famous Marvel superheroes. In fact, with the news of his individual movie came great doubt that the comic book legends could succeed in telling the tiny story of an oddball hero on the big screen. Yet with its humor and unique story, Ant-Man has b ...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

There are tons of uses for a flashlight. You can turn it into a laser, hack it into a night vision flashlight, or make it super bright. Or if you're a Steampunk Jedi, you turn it into a steampunk lightsaber. Jen from EPBOT started with a vintage flashlight and attached a piece ...more

Black lights come in all shapes and sizes, and they're useful in a variety of ways. They can help you spot fake currency, urine stains, interesting rocks, and deadly scorpions, and they can even help you view cool fluorescent artwork. Most black lights work using a filter or ...more

Gatorade: its popular red flavor can stain the whitest fabric, and its sweet taste is oddly refreshing after breaking a sweat. If you've ever participated in a sport, you probably spent halftime at games and practice breaks chugging the stuff. Though it made its name as a spor ...more

There are two types of tablet users in the world—those who like their quick settings up top, and those who want them on the bottom. I fall into the latter category, and there are a couple of reasons for it. The first is because the Nexus 7 has both notification and quick sett ...more

Apple last month released iOS 17.2, its biggest iPhone software update since iOS 17.0, with 60 new features. Now, as of Jan. 22, we have iOS 17.3. Overall, it's not the behemoth software update that iOS 17.2 was, but it has a few exciting new things you'll definitely want to k ...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

One of the best things about iOS 7 is the Control Center, which gives you quick access from anywhere on your iPhone to turning on or off Airplane Mode, Wi-Fi, Bluetooth, and more. It also makes it very easy to adjust the brightness of your display, and gives app shortcuts for ...more

Night Shift, Dark Mode, Reduce White Point, and Zoom's Low Light Filter all help reduce the harmful effects on your body's clock that bright iPhone and iPad screens have at night. But there's another option on iOS and iPadOS that turns your entire display red, and it's useful ...more

We've already seen the visual changes that Android 5.0 Lollipop has brought to the table, but Google spent just as much time altering things under the hood. Awesome new functionality and hardware capabilities have been added left and right, and with the OS already out now, it' ...more

A lot of people rely on the date on the packaging to tell them when food has gone bad, even with eggs, but the sell-by dates are often somewhat arbitrary and are not expiration dates. If you've been tossing your eggs based on the dates on your carton—you could be wasting perfe ...more

An invaluable button on your iPhone can do hundreds, even thousands, of amazing things, but most iPhone users don't even know it exists. You can't push it. You can't click it. You can't press it. But it's the largest button on your iPhone, more powerful than the versatile Side ...more