How To: Use a multimeter and check for ground
Learn how to use a multimeter to check for proper ground with help from this quick video. Also shown, is how to use a Fluke probe to pierce wires to test voltage. You can uses these practices when installing car alarms, fog lights, car stereo, and accessories.
News: The Anti-Cheater Hidden Camera Wall Hook
WonderHowTo loves gadgets. We also tend to enjoy getting our hands (just a little bit) dirty. So, naturally, Brando's Wall Hook Coat Hanger Camcorder is the latest gadget to excite. Disguised as a coat hanger, the device is actually a camera triggered by motion detection. And paired with the see-all glass doorknob, your significant other ain't getting away with nothing...
How To: Print 2-sided (duplex) w/ an Epson all-in-one printer
The Epson video describes how to print two-sided on one piece of paper. When document is ready, go to "File" and then "Print". Click the "Properties" button and select Page Layout tab and turn on the two-sided printing option. Click "OK" in print window. Wait for Epson printer to complete the first page. Take paper, flip over and put it back upside down in the paper feeder. There are instructions that will pop out on screen for this. Click resume and the second page will be printed on the bac...
How To: Calculate compound interest using a TI-84 and solver
This is a video tutorial in the Electronics category where you are going to learn how to calculate compound interest using a TI-84 and solver. Press the apps button on the calculator and press enter to load the TVM Solver which is the 1st choice. Here the meaning of various notations are N is time, I% is the percentage, PV is present value, PMT is payment, FV is future value and C/Y is compounding period. The problem is find the compound amount and the interest earned on $12,903.45 compounded...
How To: Make a burning laser pointer that produces heat
In this video tutorial, viewers learn how to make a burning laser pointer. Users will just need a regular 5Mw green laser pointer. Begin by unscrewing the top of the laser pointer and take out the batteries. Carefully with a pair of pliers, break the glue seal and remove the laser. Using a micro screwdriver, make sure that the screw on the laser is tight. Now using a soldering iron heat the 03 component shown in the video for a few seconds. Then assemble the laser back together. This video wi...
How To: Program a calculator with basics
If you've ever had a little trouble trying to program your calculator, you may find a little relief with this four-part video tutorial. Here, a Texas Instruments (TI-84 Plus) calculator will be used to explain the programming process. The four parts include:
How To: Troubleshoot common problems with a CD player
CD players are largely a thing of the past, but their audio quality is still top-notch. If your old CD player is broken, watch this video for ideas on ways to troubleshoot common CD player problems and repair them.
How To: Remove a stuck cartridge on a Kodak G600 Printer Dock
This interactive Kodak printer tutorial takes you through every step necessary to fully remove a stuck cartridge on a Kodak EasyShare G600 Printer Dock. If you have a Kodak EasyShare digital camera, you probably have one of these G600 printers, and you've probably had a problem with it, like a stuck printer cartridge, so fix it yourself, let Kodak teach you how. Remove a stuck cartridge on a Kodak G600 Printer Dock.
How To: Graph Mario on a TI-83 Calculator
When it comes to graphing and comparing functions, the TI-83 graphing calculator is the end-all device for math and science students. But one of the most entertaining aspects of Texas Instruments' powerful algebraic and trigonometric calculator is not the equations themselves, but rather the art that can be "equated" on them—just think of them as the mathematical equivalent of the Etch A Sketch.
How To: Hack someone's web cam or online security camera
This tutorial will let you hack into a wide selection of web cams and online security cameras. The hack is actually quite easy, and is best done with a browser like Mozilla Firefox. Navigate to Google in your browser, and then type in "inurl:viewerframe?mode+refresh". This piece of code will open up a list of active webcams. Then just surf through your choices and watch whatever you want. You can even change the camera angle and zoom in and out of the picture!
How To: Make a laser out of a lighter
Kipkay has a new cool project for you. In this video, you'll learn how to make a laser out of a lighter. All you need to do is a cheap butane lighter. Any one will do, including one bought from a convenience store. Just watch this how-to video, and you'll be playing with your laser pointer in no time at all!
How To: Transform Multiple Screens into One Big Virtual Display
The Junkyard Jumbotron is an amazing project that allows a collection of random web browser enabled displays—laptops, smartphones or tablets—to share a single image split across the group, creating one large virtual display. Created by Rick Borovoy at MIT's Center for Future Civic Media, the app is completely free and open, meaning you can do it yourself in a matter of minutes. It works like this:
How To: Use magnetic card readers and writers with your PC
Magnetic card readers can make e-transactions far simpler, especially for people who are running their own small business. You can also watch this video to learn about card writers, which can let you create your own magnetic cards (such as a membership card) to track your customers' activity.
How To: Build a computer numerical control or CNC machine
Take a look at this instructional video and learn how to build your own miniature computer numerical control (CNC) machine. A CNC machine acts as a controller that reads G Code instructions for machine tools such as drills and printers. To perform this task, you'll need some geared motors you can find in old analog camcorders with optical zoom.
How To: Use a multimeter to test common household appliances
If you're doing any sort of electrical work at home, a multimeter is an invaluable tool to have. But as invaluable as it is to have a volt/ohm meter, it is obviously even more invaluable still to know how to use one. And, with this electrician's how-to, you'll learn how to do just that. For more information, and to get started using and reading multimeters yourself, watch this free video guide.
How To: Troubleshoot ink cartridge problems on the Brother MFC-240C
Replacing ink cartridges can be a pain, but a bigger pain is when they don't work correctly. Even after you put them in, some Brothers will still show that there is no ink, or that you're still low on ink. In this video you'll learn some of the various troubleshooting steps that you can take to discerning the problem and correcting it.
How To: Use a TI-84 calculator as an MP3 Player!
With the help of a program called TItunes & standard earbuds (and adapter) we can listen to music played by a TI84! Mod you calculator to play music. This only works on a TI84, not a TI83.
How To: Set up an X10 spy camera
The spy camera shown in this how-to video has a 60 foot cable, and is full color and has audio. This spy cam can be used as a security device, or to feed paranoid delusions or stalking urges. Watch this video tutorial and learn how to set up an X10 spy camera.
How To: Strip your Casio fx-82MS calculator
Take a look at this instructional video and learn how to take apart a Casio fx-82MS calculator. First, you'll need to get a screwdriver the take off the calculator's backplate. Make sure not to misplace those screws afterwards. You should be able to see the motherchip after taking off the plate, this is the next item you'll want to remove. These screws are extremely small so it might be best to use a knife to unscrew them. Lift the motherchip and take out the rubber key pad off. To put it bac...
How To: Make a night vision device
Ever wish you could see in the dark? Well, you can't but this how-to will show you a way to build a device to help you out. You will need light polarizors, a flashlight, and a digital camera. Make an infrared night vision device, just follow along with the steps in this video tutorial. Now you can see at night!
How To: Control AppleTV with your iPhone
All you need to remotely access your AppleTV library is your iPhone. Learn how to control Apple TV with your iPhone with this Howcast guide.
How To: Change Garmin Nuvi's vehicle icons
Watch this electronics video tutorial to learn how to customize your ride. This how-to video will show you how to install fun vehicle icons in various colors, makes, and models to personalize your on-screen map in your Garmin Nuvi.
How To: Play tetris on a simple Canon calculator
This "how to" works with some Canon calculators. By entering a specific code you can play a very simple form of the classic video game Tetris! Have Fun :) Play tetris on a simple Canon calculator.
How To: Use an external hard drive for extra storage with your AppleTV
Movies, TV shows and other media content can fill up even the most generous hard drive quickly. You can use MediaUSB on aTV Flash to connect an external USB drive to your AppleTV for extra media storage capability, and this tutorial shows you how. Make the most of your Apple TV!
How To: Remove a stuck cartridge on a Kodak G610 Printer Dock
This interactive Kodak printer tutorial takes you through every step necessary to fully remove a stuck cartridge on a Kodak EasyShare G610 Printer Dock. If you have a Kodak EasyShare digital camera, you probably have one of these G610 printers, and you've probably had a problem with it, like a stuck printer cartridge, so fix it yourself, let Kodak teach you how. Remove a stuck cartridge on a Kodak G610 Printer Dock.
How To: Build a small DIY hydrogen fuel cell science experiment
The hydrogen fuel cell has great potential to replace carbon-based fuels in our vehicle fleets and stave off global warming. It's a difficult concept intellectually, so why not make this fun little science experiment to try it out for yourself? Yes, by following these simple instructions you can make a small hydrogen fuel cell at home that will even power some devices!
How To: Build a homebrew antenna launcher
If you're looking for a creative and innovative way to build an antenna launcher from scratch, you have to watch this next video.
How To: Make an electromagnet with household items
Playing with magnets can be fun for people of all ages. Making your own magnets can also be a great way to keep yourself and young ones entertained as well. This tutorial will take you through the motion of making an electromagnet using items that are regaularly found within your home. Enjoy!
How To: Navigate your Epson printer driver options
Your Epson driver controls your printer to your computer. You can change options to more suite your work. This video will demonstrate how to use the Epson priter driver.
How To: Build a sumo robot
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 episodes from this Revision3 show.
How To: Make crossover cable from an ordinary LAN cable
In order to connect two personal computers to each other, you will need a crossover cable. If you don't have one, that's not a problem. Take a look at this instructional video and learn how to make a crossover cable from and ordinary LAN cable with a small connector block, a knife, tape, and a lighter.
How To: Resurect your dead lighter
Need some fire in a pinch? Try this trick. It really works! 1 bad lighter + 1 bad lighter = 1 GOOD lighter.
How To: Resize a Breitling watch bracelet
Here is a video showing how to resize a Breitling Watch Bracelet. If you have small wrists, or just like a loose fitting watch, just get a screwdriver and watch.
How To: Make your own solar panel
In this video, we learn how to make your own solar panel.The amorphous solar glass is the cheapest but it's also the least efficient. You can do anything you want with these and they are durable. The hexagon cells are the most efficient and most expensive as well. The poly crystalline is almost 2 watts a piece and can be purchase in lots of any size. You have to tab these cells together and they are extremely fragile. Be careful when you work with these. To make these, you will solder tabbing...
How To: Make your own air conditioner with a fan and copper tubing
The heat can be oppressive, and air conditioning can be expensive. But you can build your own air conditioner for just $40, with a fan, styrofoam cooler and a length of quarter-inch copper tubing. Cool your home inexpensively with this mod!
How To: Make a simple electromagnet
Playing with magnets can be a fun activity for many young children out there willing to learn about science. This tutorial gives those science hungry kids a cool little trick on how they can make their own electromagnet from scratch. The supplies are easy to get and will take only a few minutes to prepare. So sit back and find out what it takes. Enjoy!
How To: Use a green laser pointer
A tutorial on the power levels of laser pointers and what lasers of different powers can do.
How To: Make your own air conditioner
Step by step instructions on how to make an air conditioner using parts that cost less than $40.
How To: Set up Google TV on Sony's Internet TV Blu-ray Disc Player
Sony's new Internet TV combines the power of Google TV and television into a neat and accessible package. And setting up your new Google TV is a cinch. This video walks you through the quick setup process for getting your Google TV system going. The player in this video is model NSZ-GT1.
How To: Skip commercials with your Comcast DVR remote control
In this tutorial, we learn how to skip commercials with your Comcast DVR remote control. First, press the cable button, then press and hold the set up button until the cable button blinks twice. Now, enter in "994" on your remote. After this, the cable button will blink twice again. Now, press the setup button again and type in "00173", then press a button you don't use a lot. Now, the cable button will blink again. Now, turn on a show you have recorded and it will just through the commercial...
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