Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more
Most Lego guns require you to feed ammo, or at least cock the gun, every time you shoot. Not so with this model. This video features step-by step instructions and a demonstration of how to build a semiautomatic Lego rubber band gun quickly and easily. Never lose a Lego rubber ...more
HTC thought it best to cover their own ass by placing a red warning whenever you start your device if you've unlocked your bootloader. While it may help them identify a tampered phone, it does not help you in any way. Luckily, XDA member santod040 created a modified HBOOT that ...more
We recycle cardboard, but Gomi Style is going to re-use the cardboard and create chairs with the fine found material. The gang at Gomi style made a two different types of chairs from tossed out cardboard, simple and easy
Want to break free from the confines of DVR land? If you're tired of spending all the money to download program listings from your DVR, then it's time for a change. If you don't want to mess with DRM files anymore, but want to backup your system, then MythTV is the way to go. ...more
Move over NASA— SpaceX is taking over. Well, not really. But today, the privately funded spacecraft company broke all expectations when their Dragon capsule fell to a soft landing in the Pacific Ocean, completing an undoubtedly successful demo flight of nearly two full trips ...more
Mice, cute as they may be, are an unwelcome visitor in many a home. This video tutorial provides step by step instructions on how to hack a wireless electronic laser mouse trap from an automatic garage door opener and a computer mouse. Find out where those little pests are goi ...more
Learn how to build an environmentally friendly directional WiFi antenna with this simple video guide. To follow along at home, you'll need the following things: a copper wedge, an N-type connector, some screws, a clamp-on N plug, a pigtail, and a wireless card. You'll also nee ...more
This extensive video series is all about making your own simple steam engine and boat, which is known variously as the "putt-putt" or "pop-pop" boat. Science Toy Maker gives the full details on making your own homemade steam engine model boat, which is similar to the one seen ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. There are many amazing redstone builds, but probably the pinnacle of redstone technology is the redstone calculator. The ability to turn simple game mechanics into a real-life calcu ...more
It's medieval mayhem and you need a sword prop. Maybe you're larping, or maybe you just need a fake, dull movie prop blade for your action epic. Either way, this is a great weapons build project for a cool replica wooden sword. Watch this video tutorial to learn how to build a ...more
If you love Minecraft, and you're trying to find out what to dress up as for Halloween, try building a Creeper head. If you wear a green shirt, you'll have the perfect Minecraft costume. You can even reuse the Creeper costume for cosplaying at your next convention. Video: . If ...more
In this how-to video, Kipkay shows you how to build a portable stink pen and you need a cheap pen, a bobby pin, and matches. Take apart the pen, save the spring, put the bobby pin through the center of the pen, and bend the edge of the bobby pin. Pull the pin back to fire and ...more
Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Functioning bathrooms seem like a stretch in Minecraft, but with redstone, they're not that far out of reach! This past workshop focused on creating a fully ...more
Want to make a time schedule in Microsoft Excel partitioned into perfectly regimented 15-minute intervals? It's easy, provided you know how to go about it. And in this Excel tutorial from ExcelIsFun, the 543rd installment in their series of Excel magic tricks, you'll learn how ...more
A very easy to make rocket made from a drinking straw, and launched using air pressure. Almost everyone will be able to make this, it does not require any hard-to-find items, but also can it be made in very little time. Therefore the rockets themselves will be very easy to mas ...more
Unbeknownst to the general public, picking a lock can be a very easy process once you get the hang of it (yes, surprising AND frightening). A vibrating lock pick set takes the general ease of picking even further by speeding up the process. Now, with the help of Invent Geek, y ...more
We all know that movies now-a-days don't use real rocks, but fake rocks for their film sets. Why? Because it's safer, lighter, easier to movie, and you can design them exactly how you want them. So if you need a rock for your indie film project, make it yourself. There's nothi ...more
In this very basic but informative tutorial, you'll learn how to build a follow focus for your Canon 5D Mark. This method has the virtue of being very cheap, using just a clamp, nuts and bolts, a bit of wire, a rubber band and some shrink wrap. But used well, you can probably ...more
Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Our previous workshop on building an automatic boat dock went really well. A lot of Minecrafters showed up and everyone got right to work on their own versi ...more
The cantenna has become something of a cult figure in the world of online signal enhancement. Making your own wireless-internet-boosting antenna out of a tin / aluminum can and a small wireless antenna can improve your internet life a lot, and this video will show you how to m ...more
Suffering from high energy costs or simply looking to live in a more environmentally sustainable fashion? In this video tutorial, you'll find instructions for building your own wind generator using simple hand tools. For more, as well as step-by-step instructions to building a ...more
Glacial Wanderer demonstrates how to build a high-speed air gap flash fast enough to capture a speeding bullet without it getting blurred. These types of flash units usually run around $8K+, but for a few hundred dollars you can build you own and capture sick stuff like... .. ...more
Are you tired of wasting diamonds and iron on creating hoes? Are you looking for a fun way to farm melons? Or do you simply want to show off to your friends? This tutorial will go over how to make a jaw-dropping semiautomatic melon farm. Not only will you be the talk of the se ...more
Feeling a bit like Bonnie or Clyde, without the reckless disregard for human life? This mini machine gun is a great prop for Halloween or a homemade action movie. You will need a joystick, pipe, cardboard, a small box, PVC pipe, a cylindrical box, a hot glue gun, a sharp knife ...more
In this video you will learn how to build a retaining wall to flatten a sloped lawn. He says that if someone wants to garden but their yard is sloped and they know they can't do it, they should know that this is a lot of work. So be prepared to dedicate a lot of time and effor ...more
Take a look at this instructional video and learn how to build a custom iPod and iPhone cable that'll simultaneously charge the Apple device and give an audio line out connection. Keep in mind that this process requires some soldering and since the pins on the Apple dock conne ...more
A carport, or lean-to shed, attached to an existing building such as a garage, barn, shed or the side of your house can provide economical shelter for vehicles, garden tractors, boats or other equipment. An attached carport is also fairly easy to construct against the side of ...more
Flooring is a very important part of your Minecraft builds. I've already shown you the three types of flooring designs and went into further details about inset flooring. Now it's time for the second main category of floor types—patterned floors. Patterned floors use two or m ...more
The build.prop file in an Android device is home to many system-level values and settings. Everything from screen density to video recording quality is covered in this file, and people have been editing these entries to get new functionality and better performance since Androi ...more
See how to build a pulse motor with just one transistor and one diode. A pulse motor will not have the torque that a normal AC motor has. However, this does not mean that a pulse motor is worthless in everyday usages. Torque is going to equal the amperage input to the coil pe ...more
Hi guys. Hope you all had a good Christmas , today i have a tutorial for you. If you brick you device it's not my fault I will show you how to build the new version of NetHunter and install it to your device(must be a supported device,,see the list below) Nexus 4(mako) Nexu ...more
Do you need just a few more controls? Perhaps your wondering how hard it is to make your own controller? Then follow the steps in this 2 part series and build your first MIDI controller in about an hour for very little cash. Using only 8 electronics parts, a pre-made case and ...more
Ever wonder how all of those tiny chips and components can fit inside your laptop or smartphone? If you tried to squeeze them in there yourself, your laptop would quickly become too heavy for your lap, and your mobile phone would need wheels to stay mobile. The secret to mini ...more
The rocket stove, invented by Dr. Larry Winiarski, was developed to require much less cooking fuel than a traditional stove. The rocket stove also emits less dangerously, as most of the energy burned turns into heat. To build this rocket stove, you will need sheet metal or a 5 ...more
There are phones nowadays with 12 gigs of RAM, but they'll cost you well over a grand. The majority of Android devices have much less memory — I'd wager most have less than 4 GB. And with the system taking up around 2 GB, that leaves user-installed apps little room to breathe. ...more
F for FAKE. This video has been labeled a "Faux-To". Commonly contested as bogus science, we believe this video to be a hoax. What's your opinion? Comment below. Using a dowel, candle, plastic toy boat and copper wire you can create a steam powered boat that runs off of water.
The first part is the trailer for a fixie feature from track bike legionnaires, MASH SF. The second is a video by Bre Pettis. This instructional DIY video shows you how to build a single speed fixed-gear or 'fixie' bicycle. Using old parts, build a bicycle effective for flat ...more
The @DesignGears guys have been busy today, leaking an unofficial KitKat build (Android version 4.4.2) for the AT&T Samsung Galaxy Note 3. The latest is a peek into what the international variants are beginning to see, although this build is far from official. Still, if you wa ...more
Check out this video to learn the basics of building cabinets for your home or office. The video covers basic construction, woodworking, cutting of boards using a Festool and tablesaw. Part 1 of 3 - How to Build cabinets. Part 2 of 3 - How to Build cabinets. Part 3 of 3 - Ho ...more
Hello, Null Byte! Mkilic here. I doubt anyone knows I even exist on Null Byte, so hopefully this post will allow me to become more involved in the community and also help me learn even more. This project is somewhat similar to OTW's article here, and pry0cc's here, in which b ...more
Who knew some plastic, water and air would be so much fun? If you like rockets and explosions, you probably knew. And so did this guy, who shows you how to make an awesome water rocket that can shoot over 200 feet! Before you try following along with the rocket build, you shou ...more
Star-Lord may not have been a household name prior to the release of Guardians of the Galaxy, but you can sure count on a flood of kids and adults alike wanting to dress up as Chris Pratt's character this year for Halloween. The costume is easy enough to put together with a r ...more
If you're going to build a coyote trap, you want to make absolutely sure you get it right. After all, the last thing you need to deal with is a furious coyote getting loose after you've trapped him! In this video you'll learn how to make a cheap and effective coyote trap.
The Mechanic character class is now live in Global MapleStory (GMS), the international version of Nexon's popular free massively multiplayer online role-playing game. Celebrate the release by building a super-powerful Mechanic to call your own! No idea how to invest your skill ...more
Paul Ryan of the DIY Network shows how to make concrete countertops for the kitchen. Concrete is now available in a wide range of colors and textures. First build forms out of 3/4-inch melamine (a waterproof smooth material for easy casting), according to the blueprints. Use c ...more
Welcome back, my hacker novitiates! In the previous two posts in this series, we looked at the basics of buffer overflows. In this post, we will look at one technique for finding buffer overflows. We will try to send random, oversized, and invalid data at a variable to see wh ...more
The guys at Indy Mogul show you the Camera Crane (turbo mini jib) that ANYONE can afford! Attach it to your tripod and that good looking girl in your English class might mistake you for George Lucas...not sure if that'll help your chances with her, though.
Paul Yperman, you've got some competition (see previous entry, Star Wars LEGO Droid Ship). 15-year old Sven Junga's LEGO Stargate diorama (including a Daedalus from Stargate Atlantis) is nothing to shrug about. Incredibly impressive. See more of Sven's work in his Flickr gall ...more
In my last how-to, we built a man-in-the-middle tool. The aforementioned script only established a man-in-the-middle. Today we'll be building a tool to utilize it. We'll be building a DNS packet sniffer. In a nutshell, this listens for DNS queries from the victim and shows the ...more
Tired of the same old little box house that everyone else playing Terraria has? Check out this video to learn how to build your own architectural masterpiece. This video will take you through step by step as you build an awesome Terraria house.
As you might know, there are a multitude of tools used to discover internal IP addresses. Many of these tools use ARP, address resolution protocol, in order to find live internal hosts. If we could write a script using this protocol, we would be able to scan for hosts on a giv ...more
One of the first steps in reconnaissance is determining the open ports on a system. Nmap is widely considered the undisputed king of port scanning, but certain situations call for different tools. Metasploit makes it easy to conduct port scanning from directly inside the frame ...more
When starting out in Minecraft, the first thing you focus on is creating a shelter to seal yourself into to make it through the first night without getting eaten by a zombie or shot to death by a skeleton. But if you want something a little more conventional, try building a ho ...more
Your phablet's large screen is perfect for viewing movies and music videos wherever you are, but as gorgeous as the Note 3's screen is, holding it gets old and you can't always find something to prop it up at a decent movie-watching angle. But there's a secret you might not k ...more
This video tutorial shows how fifteen dollars and a half an hour of assembly can produce a working bare-bones laminar flow nozzle that attaches to a garden hose for a makeshift fountain. If the flow of water is smooth then different layers of water will glide past each other, ...more
This is how to make a near professional grade lava lamp. We did this as a chemistry project. We perfected it in a week. This took many hours to do, as we had to get the density just right. We remade it three times, also. At the very end, we combined all of the wax into a huge ...more
Jet engines combine oxygen from the surrounding air with on-board fuel to burn at very high temperatures and create thrust in the direction of the flame. Rockets, which we will learn about in a later post, are similar but carry oxygen internally and can therefore function in s ...more
Do you have the perfect spot in your house or office that you want to put your desk and you just can't find one that fits? Well, maybe it's time to build your own! In this video series Jon Olson will show you how to build a custom oak computer desk, right down to the sliding k ...more
Love taking photos with your smartphone, but don't have a zoom? This tutorial by Unitips will show you how to DIY one with a few simple parts. All you'll need is 1/4" bolts, washers, and wingnuts (two each), some sheet metal, and a pair of binoculars. Video: . The only difficu ...more