Built a Laser

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. We will help you avoid pitfalls and get your project up and running fast. Search Systm on WonderHowTo for more DIY episode ...more

You can construct your own burning red laser very easily and very cheaply. All you need are a soldering iron, Phillips head screwdriver, an LPC-815 laser diode, and a RKCSTR driver. Once you have everything together, follow this video to build a burning red laser.

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

This video, incredibly short for it's massive content, will teach you how to make a laser tripwire that, combined with a photoresistor, can trigger just about any device. You can make traps, alarms, awesome party decorations, and all sorts of other awesome things with this eas ...more

If you are the proud owner of a laser cutter, you had better be careful with your expensive new toy. Some materials can damage the optics in your laser or produce poisonous gas when you cut them, so you need to make a gas containment chamber to work in. Watch this video to fin ...more

Got a mystery to solve? Somebody’s been making off with your stuff, and you don’t have a clue who it is, do you? Here’s your chance to catch them in the act. In this how to video you will learn to make a DIY laser security system.

Listen to conversations over long distances with a homemade laser listening device. All you'll need is a laser pointer, tripod, old pair of headphones, photocell, a recording device, and the step-by-step instructions in this how-to video. The creator of this video tutorial doe ...more

There's probably a reason that laser pointers are banned from most schools: They're just to fun to put down! Whether you're using them as a pointer, to distract your classmates, or to very wickedly point them in people's eyes, they are toys that are quite addicting. Make your ...more

A laser light show is possible to replicate with the diffraction grating effect. Different laser effects can be created using a variety of materials: small motors and diffraction grating pieces, and mirrors. It's possible to create searchlights, crystal balls, spring patterns, ...more

Learn how to build a driver that can be used for Red laser diodes and Blu-ray laser diodes.

You can actually build a burning red laster by assembling a few spare parts taken from old computers! This tutorial shows you what you'll need to look out for, and then how to build it. You'll probably need a diode, but that's likely the only thing to purchase!

Check out this video from Chemical Reaction Tutorials (CRTutorials). If you love filmmaking, prop making, editing and everything else that goes along with making movies, then you'll want to see what Adam has to say about laser guns. Adam explains how to build a laser gun prop ...more

If you've ever seen Goldfinger you've probably wondered when we're going to get access to lasers that could cut a man in half. This might be it. Watch on to learn how you can, with some electrical engineering skills, make a DIY blue death ray laser gun that will cut through al ...more

This mod will run you about $130, but you'll have your own laser torch at the end of it. You'll need a high end flashlight, a Aixiz module, an AR coated lens and a blue diode. Then assemble according to the instructions, and get a laser at the end of it!

Lasers are one of the coolest things that you can build yourself from a pure sci-fi fantasy standpoint. They're not easy though, but this video will help you somewhat by describing different types of laser diodes and how to connect them to a power supply. Part 1 of 2 - How to ...more

The shrink ray as always been one of the oddest and least-useful sci-fi guns, but alien invaders seem to love them and so we'll keep seeing them. If you want to use a shrink ray in a film you're working on, watch this video. It will teach you how to first make a generic ray / ...more

Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an amplifier, radio, laser pointer, ...more

Team Cynergy presents step by step instructions on how to program an electronics kit to use a laser as motion detector and fire a paintball gun with the sensor is triggered.

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

Build your very own Trek-style Blu-Ray laser phaser with this hacker's how-to video from Kip Kay of Make Magazine. To replicate this hack at home, you'll need the following materials: (1) a PS3 Blu-Ray laser assembly (which can be had on eBay for roughly $45), (2) an original ...more

In today's day of mobile devices and improved technology, anything of yesterday can be considered retro— even a freakin' slingshot! Yes, that's right— forget fallen down tree branches. A rubber band and tree limb ain't going to cut it anymore. These days, kids need accuracy, a ...more

Need to make a PCB quick? Well, this video tutorial will show you how to create a PCB with the toner transfer method using photo laser paper. This is an "easy and cheap" way to build PCB (printed circuit board) using the toner transfer method. With many papers tried, photo la ...more

Robert Scott shows us in this video how to remedy stretch marks. Stretch marks can be caused by excess of weight gain, muscle building or anything that occurs over a short period of time and breaks down the fibers in the skin. They are not really curable but they are treatable ...more

This video tutorial from Shooting Eggs demonstrates a hack that will allow you to convert a cheap 5 mW green laser pen into a 100 mW monster. Watch out, don't burn your carpet! Check out this hacking how-to and learn how to build your own high-powered laser on the cheap.

Check out this video to learn how to hack a cd/dvd case to hold valuables like flashlights, knives, and lasers.

This do it yourself robot can be made out of many materials you can find around your house. You'll need a few special non household items, such as an arduino and a class 3 laser. However, once you assemble everything correctly, you can make a sentry robot inspired by the robot ...more

Chad from California Waterscapes takes you through the steps of installing a backyard pond. He begins by marking the location for the pond and stream using spray paint on the ground and by laying out the necessary equipment: the skimmer box and the waterfall unit. After diggin ...more

Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to defend yo ...more

This 3ds Max modeling tutorial covers how to unwrap or unfold geometry. This technique is used more for texture mapping but in this tutorial we the unfolded geometry back to the view port to use for building physical models. This geometry can them be used for laser cutting. On ...more

It's just a fact that hairy legs on women are not the most attractive. From razors to lasers, hairy legs can be a thing of the past. Hairy legs are some of the hardest parts to deal with because they're so visible all the time. Whether you want to rid yourself of prickly leg h ...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