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.
How To: Speed up a Logitech Harmony remote control
In this video tutorial, we learn a trick for speeding up a standard Logitech Harmony smart remote control. For more information, including a complete overview and detailed, step-by-step instructions, watch this home-theatre how-to guide from the folks at CNET.
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 necessary equipment. Follow along and make your own burglar alarm and keep your house safe.
How To: Make a simple toy motor
It’s just a few steps to make a toy motor. Take a battery of any brand, then take two safety pins. Attach them to both the sides of battery as they act as positive and negative. Then take a magnet, keep it on the battery. Now take a strip, which is rolled into a circle, and take two leading wires from it. Then keep this strip in between the safety pins and just start it up by rotating to one side. Then leave it aside, it rotates continuously.
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: Build a 3D scanner from a $25 laser level
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: Create a radiation detector using a digital camera and a plastic scintillator
If you're interested in creating a dosimeter using simple tools, take a look at this video. Using a digital camera, a plastic scintillator, and some tape a radiation dosimeter can be crafted allowing for radiation information to be collected with simple materials.
News: No, It's Not an App. It's a Japanese Soft Drink.
Shiny, pretty touchscreen vending machines have finally gone mainstream in Japan. My only question is... what's taken so long? The vending machine business can be quite lucrative (location, location, location), so all the more reason to make the interface as aesthetically appealing and user friendly as the iPhone AND as smart as a robot (read below). Features (translation via YouTube):
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: 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: Run Boxee on an AppleTV Using a Patch Stick
By loading Boxee onto your AppleTV, you can use it to watch content from Hulu, Comedy Central, CBS and other streaming TV websites. You can also play Internet radio, listen to your mp3s and view your photo library without ever having to go near iTunes. All you need is a patch stick with the right program installed, run it, and then update the Boxee software from the Apple TV system.
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: 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 Quick Connect Wireless with Epson projectors
In this tutorial, we learn how to use Quick Connect Wireless with Epson Projectors. First, make sure you have one cable connected to the projector and one cable connected to the computer with a USB streamline. This makes it much easier and more efficient to plug in your projector. As soon as you plug this in, you will see a message appear on your notebook, then the screen will star to appear on the projector as it does on the notebook. It will take a few seconds, depending on the monitor and ...
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: 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.
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: 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: Hack your AppleTV with a USB stick to run Boxee
This useful step by step tutorial shows you how to download the ATV USB creator, which will allow you to create a patch stick for your AppleTV. Once you load this usb stick onto your Apple TV, you'll be able to run Boxee and get streaming Internet content directly to your Apple TV.
How To: Easily enter a destination on the Garmin Nuvi 750
Garmin is a popular and trusted brand of GPS devices. In this video, learn how to enter destinations and perform other basic tasks with a Garmin Nuvi 750. This video shows you the Nuvi 750 but all of the instructions should also work with other Garmin models. GPS is fantastic for traveling to new destinations, getting out of a lost situation and finding unknown places faster.
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: Add Mic Input and Headphones Output to Samsung HMX-T10 Camcorder
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.
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: 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: 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: Troubleshoot refilled printer inkjet cartridges that won't print
If you've gone through the process of refilling your ink cartridges and your printer still isn't printing, don't get your hair in a bunch, watch this video! This video will give you some tips on how to get that old print cartridge working again for your Brother MFC-240C. This video uses rubbing alcohol and soft cloth.
How To: Make a homopolar motor
This video shows you how to make a homopolar motor. First of all things you need to make motor are AA battery, couple of magnets and copper wire. Now take magnet and attach it to the negative end of battery, now take a copper wire and bend it to the shape shown in the video and place it over the positive end of the battery, now you will see that wire starts rotating. Now to make a stand take a small plastic lid and two pieces of rubber magnet then place magnets to both the sides of the lid an...
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: 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: Simply read a binary clock
Sydus 93 teaches You Tubers how to read a binary clock by demonstrating the following process: A binary clock is made up of four rows and six columns of colored or uncolored dots. The rows, from bottom to top, represent the numbers one, two, four and eight. From left to right, columns one and two represent hours, three and four minutes and five and six are seconds. In order to tell time using the binary clock, begin at the left of your chart and simply determine which dots are filled in and a...
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: Make your laser pointer run on AAA batteries
This video shows us the method to make your laser pointer work with AAA batteries. Take a metal casing made of metal. In the video, we take a Duracell mini flashlight and remove the front and back part. Unscrew the top and back of the laser pointer and remove the batteries. Roll some aluminium foil and put it in the metal casing. Put the AAA batteries in the casing with positive side inside. Put the casing and the laser pointer together and the laser works. Bind the two together by two rubber...
How To: Make a bristlebot (toothbrush robot, get it?)
The BristleBot is a simple and tiny robot with an agenda. The ingredients? One toothbrush, a battery, and a pager motor. The result? Serious fun. The BristleBot is our take on the popular vibrobot, a simple category of robot that is controlled by a single vibrating (eccentric) motor.
Coming Soon: Spy Video Glasses with Real Time Streaming to... Facebook?
Lady Gaga and Polaroid's upcoming Grey Label Camera Glasses can record video and snap pictures, but who really wants to show the world what they're up too on those mini LCD screens? It's nothing more than a fancy gimmick between a pop star and a failing company. Isn't the intention of camera glasses to capture things around you as they are? Drawing attention to yourself with clunky video-displaying eyewear kind of defeats the purpose, but that's why they're "fashion" glasses and not practical...
How To: Set up a Roku digital video player for use with your home theatre
In this video tutorial, we learn how to set up and configure a Roku digital video player or DVP. For more information, including a complete overview and detailed, step-by-step instructions, watch this home-theatre how-to guide from the folks at CNET.
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: 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: UsUSB Plug 'n Play Instant Setup with Epson projectors
Epson printer setup is easy, let’s start by connecting the standard USB cable into the USB port in the back of your computer, the other end of the USB cable will go into the USB slot in the back of the projector. Simple as that your slides will start immediately! With the Epson plug n play projector you can use the page up page down keys in order to manage your slides which you cannot do with those other out dated connections.
How To: Connect a wireless camera receiver to a Cambox DVR
Have a Cambox portable/professional DVR? Well, if you're one of the lucky few, then this video tutorial from Vofoo could help you out.
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