How to patch a hole in drywall / plasterboard / Sheetrock. Everyone at some stage in their life will need to patch a hole in drywall / plasterboard / sheetrock. Instead of doing some dodgy patchwork, watch this video to see how simple the job is. The steps are as follow in poi ...more
One of the coolest features of the Galaxy S5 is its IP67 certification. This means that the S5 is internally impenetrable to dust and can be submerged in water for thirty minutes at a depth of one meter. It's definitely a handy feature for folks who've lost a phone to a toilet ...more
Hello everyone. It's been a while since I've posted anything (with good reason). But, now that the digital dust has settled, it's time to be an adult about this. I will be continuing to post to Null Byte on a smaller scale, and will also fully participate in whatever communiti ...more
One of the more interesting power-related features for OnePlus phones is the ability to schedule a time to turn it, off then back on again. While OnePlus phones typically run blazingly fast, you can still benefit from the RAM clearing and process killing that a reboot provides ...more
For this project, I decided to rip apart a microwave I found in my neighbor's garbage can to see what was inside. With permission, of course! True story! Video: . The saying goes, "one man's trash is another man's treasure", and with all the parts I found in this abandoned app ...more
These instructions are applicable to both bObsweep models. Follow the video or text descriptions to replace the disinfecting UV lamp on your automatic vacuum. This walk through includes: opening bObsweep, removing the main board, replacing the UV lamp, and putting Bob back to ...more
Samsung phones have a pretty nifty little feature called Smart Stay that will prevent your screen from turning off while you're actively using your device. Trouble with this is that it's exclusive to Galaxy devices and it uses a ton of battery since it monitors the front-facin ...more
The iPhone has come a long way in its ten-year lifespan, but one thing still missing from the core user experience is native split-screen support. Sure, the displays on iPhones aren't nearly as large as an iPad's screen — which does offer "Split View" mode out of the box — but ...more
Apple's iOS doesn't have the best reputation when it comes to customization, but with every new iOS version we get, there are more options to personalize. Your iPhone comes packed with plenty of tweaks and hacks to make the device feel truly yours, and one of those is a fun ye ...more
Welcome back, my novice hackers! One of the most common questions that Null Byte readers ask is: "How can I evade detection by antivirus software on the target?" I have already talked about how AV software works, but to obtain a deeper understanding, what better way is there ...more
Many of my aspiring hackers have written to me asking the same thing. "What skills do I need to be a good hacker?" As the hacker is among the most skilled information technology disciplines, it requires a wide knowledge of IT technologies and techniques. To truly be a great h ...more
Optical illusions are thrilling and abundant, and this one is both cool and novel. All you need are two pieces of twisted metal wires like those show in the video. Slide them together, then untwist to created a really cool illusion.
Wire hearts are cute, friendly jewelry pieces that are as versatile as they are attractive. Composed simply of a bent and twisted piece of wire, they can be shaped into bookmarks, earrings, necklace chains, and bracelets. Watch this video to learn how to make 2 different size ...more
Light switch wiring can be a do-it-yourself project with this instruction from Tim Carter. You'll have no trouble wiring a light switch with his simple tips and doing light switch wiring yourself will save you lots of money.
Removing wires from a 'trap door' switch can be a bit tricky to do and of course you don't want to just yank them out. If you get yourself a thin pick to fit into the holes and just circle the wire to hit a spring you need to push down in order to release the wire.
Tim Carter explains the differences between regular and three-way switches. Great video to learn how to install a three switch properly.
Mike Lively of Northern Kentucky University shows you how to create a light switch in Second Life with scripting. Part 1 demonstrates how to create a prim switch which turns on (brightens) a prim in Second Life. Part 2 goes through the Light Switch code line-by-line and adds a ...more
Watch this video to learn how to perform the two bill switch magic trick. This tutorial will teach you to make two different dollar bills switch places magically.
Doing electrical work is one of the most intimidating tasks for a novice home repairman. But if you know what you're doing, the risk is pretty minimal. In this clip, Mark Donovan of HomeAdditionPlus.com shows us how wire a combo outlet with power.
Before undertaking any electrical project, it is imperative that you know precisely what it is you're doing and to keep in mind that electricity can kill. With that said, this electrical tutorial presents a guide to identifying the switched live wire on a lighting circuit and ...more
This video will show you How To Solder Two Pieces of wire Together Video: .
There are a gazillion app switchers on the market, and some are really awesome, like Edge, GloveBox, Loopr, and Switchr, to name just a few. However, these can all be a little bit more complicated and cumbersome than necessary when I just want to switch back to the last app I ...more
The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more
Relays are simple redstone devices that allow you to switch between multiple outputs with only one input. They're incredibly useful in the right situation! There are many different types of relays, but I'll be showing you how to make two. One will switch power back and forth ...more
Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...more
In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...more
There are a few ways to make trapdoors, but out of all of them, this one is my favorite. It's fast, completely hidden, and both opens and closes. This particular trapdoor can be used for a variety of purposes, such as hiding your valuable possessions, having a secret entrance ...more
No one likes it when random people wander into your home and mess things up, which is why it behooves you to hide your things from even the most prying eyes with builds like this totally invisible, 2x2, piston-operated door with no visible redstone either inside or outside. Th ...more
The guide will walk you through a power switch replacement on a bObsweep Standard or Pethair. It includes: Opening and closing bObsweep Removing and re-installing the battery Removing the main board and power switch Video: . The instructions for this repair are the same for b ...more
Make a lighter with one or two AA batteries and simple tiny wire!!! This is a fantastic homemade electrical lighter for any situation. You'll need two AA batteries, a push switch, a battery holder, wire, solder, soldering iron, electrical tape, crimper, and scissors for this c ...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
In this tutorial, we learn how to bypass the kickstand safety switch on a motorcycle. If you have broke your kickstand switch, you can easily bypass it while you are on the road so you can set your bike. All you need to do this is a piece of electric tape. If you don't have th ...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
The dryer’s idler pulley provides tension to the dryer’s drum belt so the belt won’t slip when the drum is turning. It can become faulty over time due to increased friction. If your dryer is making a squeaking or squealing nose then the idler is probably faulty. Replacing this ...more
Remember the arcades? Were you saddened when they closed up one by one, leaving no outlet to actually go out and socialize while you played video games? With all the home consoles and internet connectivity, gaming has evolved, but the social factor has been eliminated. Sure we ...more
Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! The workshop last Saturday revolved around creating a working movie screen in Minecraft, and everyone joined in to see how it works. But this tutorial is fo ...more
While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. ...more
Over time, the dryer belt can become hard and brittle when the drum is turning loud noises such as squeaking, squealing or thumping noises can occur. Replacing the belt is an easy task for the do-it-yourselfer. All that’s required is a few simple tools. Here’s a step-by-step g ...more
Redstone and electricity have much in common. They both have what's called resistance. That is, they only travel a certain distance before the signal degrades to the point where it's unusable, and they take a certain amount of time to get there. With electricity, that time is ...more
This is the cheapest device to gather interviews as a small, easy-to-carry recorder. I started to use it for preproduction and film documentation after I bought it in a Polish discount shop for about 100 Euro. The only problem was very poor sound quality. I decided to mod the ...more
Okay, you can't really become the king of the world by stacking three pistons. For that, you have to stack four pistons. Seriously though, stacking pistons is an incredibly useful thing to know how to do, and it can be used to make invisible doors, hidden staircases, portcull ...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
In this article, I'll show you how to build a simplistic circuit to generate negative ions. Negative ions have been known to contribute to fresher air, happier mood, and general health benefits. However, they also look amazing in the dark (check out the photos below, purple pl ...more
This is the third part of my electromagnetic pulse series (see Part One and Part Two). By now, I've covered the hardware and general concept of electromagnetic pulse generators, but how exactly do they disable electronics? How can an invisible field of energy have such a catas ...more
The hatred is almost universal—by now, even late night TV hosts are bashing Apple's move to ditch the headphone jack in the iPhone 7. It's not like the disdain is baseless, either, because there are plenty of problems that come along with removing the iPhone's only analog soun ...more
Mixing water and electricity is extremely risky and potentially lethal, yet that's exactly what I did with the Scariac. In its simplest form, the Scariac is just a glorified version of two wires in a bucket of water, but it's actually one of the cheapest power controllers you ...more
Last time, I showed how to start putting together an AC arc welder from scavenged microwave parts, focusing on the transformer modifications. Now, I'll show you how to finish up your DIY stick welding machine by fixing up the electrical system and performing the finishing touc ...more
If you've never heard of geocaching, it's kind of a grown-up treasure hunt you play everywhere in the world. GPS coordinates are given as clues and the players must find the cache box. There is usually a log book to write your name and a small toy or present to collect. The l ...more
Have a few light bulbs and a blowtorch? Then join the folks over at Harvard in a cool science experiment on the conductivity of glass. As you well know, glass is an insulator with low conductivity and high resistivity. In the video below, they flip the switch, demonstrating ho ...more
Warnings no one can get physically hurt just very emotional. Remote Control Demolition Derby Demolition derby cars are wired up with remote controls: 3 of the guys nervously strap themselves into each vehicle, whilst the other jackass's feel ecstatic to have hand held remot ...more
Josh Copp and Madeline Donahue show us how to build a light table from pine wood and plywood utilizing two fluorescent light fixtures as the light source inside the box. The frame of the box is fashioned out of two 1X8 planks cut into four pieces so that two sides are 30 inche ...more
In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions abo ...more
If you can think of a piece of junk, someone has probably found a way to turn it into a lamp. Granted, sometimes the result is more functional than beautiful, but DIY lighting is probably one of the most versatile projects you can take on. From string to a can of tuna, the li ...more
Eagle Lake Woodworking, hosted by John Nixon, offers great do-it-yourself guides for building your own furniture, especially in the American Arts and Crafts style, and turning your garage into an amateur woodshop. Search Eagle Lake on WonderHowTo for more carpentry tutorial vi ...more
If you're breaking a sweat in the summer heat, but not trying to break the bank, this dead simple trick will show you how to make your own air conditioner for under ten bucks. Video: . What You'll Need 1 styrofoam cooler 2 dryer vents 1 small fan you've probably got lying aro ...more
In the following video, I demonstrate how to create a device capable of charging the body of anyone who wears it with static electricity, allowing a powerful shock to be discharged into anything that is touched. This grants the wearer the ability to do some pretty amazing thin ...more
If you're like me, you were always jealous of the kids with rich parents who got to ride around in their own Power Wheels cars. Now that I am tall enough to sell my body and time, I find myself attaining childhood dreams like buying my own Power Wheels car. I would not have ch ...more
A typical resistance spot welder can range in price from about $200-$800, but with a little resourcefulness and a bit of free time, you can make one like this for about $10 or less. Before starting on this project, there are a couple of videos you should check out, because yo ...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
In terms of internet, faster = better. We all want faster internet, but how exactly do you get a fast wireless connection? Believe it or not, the answer is quite simple. Here are 4 things that may be slowing down your connection. Interference from Other Devices Interference ...more