Laser Trip Wire

How To : Build a Laser Trip Wire Alarm System

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

How To : Build a Laser Tripwire and Alarm with Snap Circuits

Want to learn how to build a laser tripwire and alarm out of snap circuits? I'll show you how to build both circuits— the laser tripwire circuit and the alarm circuit. Video: . The alarm is a very simple two-transistor oscillator that is switched on by the relay in the laser t ...more

How To : Build a trip wire snare

In order to build a trip wire, you will need the following: a knife, fishing line, a rope/string, sticks, and a large stone. Whittle a tree branch until you have sharp points on either end. Cut notches in the stick. Secure a length of string around a rock. Toss one end of the ...more

How To : Make a trip wire alarm

Want a heads up next time that annoyingly chirpy coworker is heading over for some annoyingly chirpy chitchat? Rig up this little system and you’ll never be caught off-guard again.

How To : Create cheap WiFi antennas for better reception

Systm is the Do-It-Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. They will help you avoid pitfalls and get your project up and running fast. In this DIY episode, see how to create cheap W ...more

How To : Make a burglar alarm

Learn how to make a cheap burglar alarm/trip wire alarm with step by step instructions. This is pretty basic but effective. Cardboard, fishing line, batteries, soldering wire, soldering iron, hot melt glue gun, an empty soft drink can, electrical tape, buzzer are some of the n ...more

How To : Create a spring spear trap

Kruder, from The Pathfinder's school, teaches you how to make a spring spear trap with almost all natural materials. This is a very dangerous trap so be warned and be very careful if you practice this. By using any springy tree (he uses a Maple), and a toggle tied to another t ...more

How To : Make a laser from your computer's DVD drive

Here, in a silent video (that means no sound), you'll see the steps to creating your own laser from some wire and your old DVD drive from your computer. You can always tear apart a good computer too, but that's just stupid.

Guide : Privacy Matters

Greetings all. Today I intend to append a new series to my mini-collection of posts. This series will consist of informative guides for the purpose of depicting certain aspects of the White Hat profession that I believe are of profound importance. Furthermore, I will keep thi ...more

NR50 : Next Reality's 50 People to Watch: Timoni West

If you're a developer in the augmented and mixed reality space, there's a high probability that you're intimately familiar with the 3D application and game engine Unity. In May, at VisionSummit 2017, Microsoft announced that 91% of all HoloLens applications have been made with ...more

How To : Automate Your Doorbell with Freaking Lasers

Doorbells are a great idea. They let you know when someone who's not a burglar is trying to enter your house, apartment, or squat. They eliminate the need for lots of noisy yelling and startling door pounding. The one thing doorbells don't do is to let you know when someone f ...more

News : This DIY Passion Fruit Battery Can Power Lasers!

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a las ...more

How To : 9 DIY Gifts That Are Perfect for Beer Lovers

We all know the saying “diamonds are a girl's best friend,” but what about a man's best friend? While you may think dogs are the answer, I'd venture to guess it's actually the trusty and loyal bottle of beer. Beer was with you for every celebration, every break up, and was th ...more

How To : Take apart an Etch a Sketch

Before I built the mechanics for my laser cutter I was planning on using the etch a sketch since the pulleys where already there. I accidentally cut the wires while taking it apart, so I made it from scratch (much bigger too). But I figured I'd post this in case you want a sma ...more

How To : Etch a printed circuit board using toner transfer

Making a PCB is very simple; it does not consume a lot of time and the results look professional. After watching this step-by-step how-to video, you will be able to make your own PCB in your workshop using just a few inexpensive materials. Many people use protoboard and point ...more

How To : Hook up an iPod to a laser

Combine your iPod and a laser to send your music on the beam. Easy project that anyone can do, with the help of a little soldering. You will need your iPod, a solar cell, a laser, and a soldering tool. Watch this video circuitry tutorial and learn how to hook up an iPod to a l ...more

News : The Fog of Will

The Fog of Will Suki = a chink in the armor, a psychological weakness. Doubt. The trainee must believe in his or her ability to win in a life threatening situation. The trainee must begin to believe that he or she can and will survive a violent encounter because they’ll do w ...more

How To : Prepare clay for wheel throwing

Georgia Tech resident pottery instructor, Trip, describes how to knead clay and get it ready for use on the wheel. First you need a piece of soft scrap or fresh clay. When kneading, or wedging the clay, try to force out all of the air bubbles. The kneading board should help to ...more

How To : Increase the power of a 5mw green laser pointer

In this tutorial, we learn how to increase the power of a 5mw green laser pointer. First, you will need to gather the parts you will need, which include a vise, the laser, a soldering iron, and a block of wood. After this, cut the block of wood in half and then put your laser ...more

How To : Make a laser pen from a DVD burner

In this Electronics video tutorial you will learn how to make a laser pen from a DVD burner. Take a DVD burner, remove all the screws from the bottom panel and remove the panel. Then remove the rest of the body cover as shown in the video. After this the laser will be revealed ...more

How To : Replace a GFI outlet & how it works

GFI stands for Ground Fault Interrupter and is used in areas that have water. The first thing you should do before replacing anything electrical is shut off the power in the area you are working. When you remove the old outlet, you will notice a series of wires going into the ...more

News : World's First 3D Printed UAV Takes to the Skies

The use of unmanned aerial vehicles (UAVs) has been widely used by the military for surveillance and reconnaissance missions—even armed combat. But there are other beneficial applications of an unmanned aircraft, such as search and rescue operations, scientific exploration, lo ...more

How To : Make a simple jig to hang picture frames

Danny Lipford shows us how to create a simple jig to hang picture frames. He believes that all the complicated gadgets many people use-including lasers and special levels-are unnecessary for successfully hanging a picture frame. All you really need is a strip of wood and a sin ...more

How To : Install a GFCI outlet properly

A GFCI outlet (which stands for ground fault circuit interrupter) is a receptacle with its own built-in circuit breaker. It is intended to protect you from electric shock and your wiring and breaker panel from being “shorted out”. Building codes require that you have a GFCI o ...more

Explore Ancient France : Locronan

By Camilla Cicconetti - Visit LifeStyleWebTV for more travel articles, videos, recipe demos and more. Located near the tip of the Brittany peninsula in northwestern France, Locronan is one of the region’s most spectacular villages. When you set foot on the cobblestone street ...more

How to Make Ferrofluid : The Liquid of the Future

What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an or ...more

How To : Things to Do on WonderHowTo (02/15 - 02/21)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

How To : Things to Do on WonderHowTo (06/06 - 06/12)

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more

How To : Things to Do on WonderHowTo (03/14 - 03/20)

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

News : Paintball Trap

The victim walks into a dark room and trips a wire on the floor. The lights will turn on and paintball guns pelt him with a ton of paint balls. After the guns run out a large bucket of paint is dumped on him.

How To : 10 Hacks for Your Next Epic Road Trip

A long summer road trip brings opportunity for adventure, but also increases the chances for minor disasters including backseats that smell like stale French fries, getting lost in unfamiliar roads, and getting unexpectedly carsick. Minimize messiness in your car by turning y ...more

How To : Take Better Fireworks Photos with Your iPhone

The default Camera app on your iPhone can take some pretty incredible photos during the day, and newer iPhones can even make nighttime shots look good, but you can't just point and shoot if you want to capture some pretty spectacular fireworks photos on July 4th, New Year's Ev ...more

How To : 3 Tips to Better Tasting Beer

We are living in a golden age of craft beers. Originally invented by the ancient Egyptians, every culture now has its own tastes regarding beer. The process of making beer is so multi-faceted, it's a miracle that any gets made at all. However, there are lots of steps along th ...more

How To : Banish Multi-Page Articles & Slideshows Forever

So, you're scanning the internet for some cool articles to read during your lunch break and you come across something pretty interesting—"The 50 Most Incredible Things Every Person with a Brain Should Know." That sounds interesting, so you click, and boom, you are hit with the ...more

News : All There Is to Know About the Moto G7 Play

The newly-announced Moto G7 Play offers some of the same upgrades as its sibling, the Moto G7, but at a much lower price. The upgrades are pretty significant when compared to last year's Moto G6 Play, taking this phone from the "only if you're on a strict budget" category into ...more

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